56070720 has 84 divisors (see below), whose sum is σ = 192869820. Its totient is φ = 14951424.

The previous prime is 56070719. The next prime is 56070737. The reversal of 56070720 is 2707065.

It can be written as a sum of positive squares in 2 ways, for example, as 20358144 + 35712576 = 4512^2 + 5976^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6855 + ... + 12614.

Almost surely, 2^56070720 is an apocalyptic number.

It is an amenable number.

56070720 is an abundant number, since it is smaller than the sum of its proper divisors (136799100).

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

56070720 is a wasteful number, since it uses less digits than its factorization.

56070720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19492 (or 19479 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 56070720 is about 7488.0384614397. The cubic root of 56070720 is about 382.7472193946.

Adding to 56070720 its reverse (2707065), we get a palindrome (58777785).

The spelling of 56070720 in words is "fifty-six million, seventy thousand, seven hundred twenty".