572422738 has 4 divisors (see below), whose sum is σ = 858634110. Its totient is φ = 286211368.

The previous prime is 572422717. The next prime is 572422769. The reversal of 572422738 is 837224275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 349428249 + 222994489 = 18693^2 + 14933^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 572422738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143105683 + ... + 143105686.

Almost surely, 2^572422738 is an apocalyptic number.

572422738 is a deficient number, since it is larger than the sum of its proper divisors (286211372).

572422738 is a wasteful number, since it uses less digits than its factorization.

572422738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286211371.

The product of its digits is 188160, while the sum is 40.

The square root of 572422738 is about 23925.3576357805. The cubic root of 572422738 is about 830.3074962653.

The spelling of 572422738 in words is "five hundred seventy-two million, four hundred twenty-two thousand, seven hundred thirty-eight".