572780340 has 72 divisors (see below), whose sum is σ = 1895388768. Its totient is φ = 138855360.

The previous prime is 572780333. The next prime is 572780347. The reversal of 572780340 is 43087275.

572780340 is a `hidden beast` number, since 572 + 7 + 80 + 3 + 4 + 0 = 666.

572780340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (572780333) and next prime (572780347).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 572780295 and 572780304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572780347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142662 + ... + 146621.

It is an arithmetic number, because the mean of its divisors is an integer number (26324844).

Almost surely, 2^572780340 is an apocalyptic number.

It is an amenable number.

572780340 is an abundant number, since it is smaller than the sum of its proper divisors (1322608428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

572780340 is a wasteful number, since it uses less digits than its factorization.

572780340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289309 (or 289304 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 572780340 is about 23932.8297532908. The cubic root of 572780340 is about 830.4803625713.

The spelling of 572780340 in words is "five hundred seventy-two million, seven hundred eighty thousand, three hundred forty".