5778720 has 72 divisors (see below), whose sum is σ = 19724796. Its totient is φ = 1540608.

The previous prime is 5778673. The next prime is 5778733. The reversal of 5778720 is 278775.

5778720 is a `hidden beast` number, since 577 + 87 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5702544 + 76176 = 2388^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567 + ... + 3446.

Almost surely, 2^5778720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5778720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9862398).

5778720 is an abundant number, since it is smaller than the sum of its proper divisors (13946076).

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

5778720 is a wasteful number, since it uses less digits than its factorization.

5778720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 5778720 is about 2403.8968363888. The cubic root of 5778720 is about 179.4501740699.

Subtracting from 5778720 its reverse (278775), we obtain a palindrome (5499945).

The spelling of 5778720 in words is "five million, seven hundred seventy-eight thousand, seven hundred twenty".