56973736 has 8 divisors (see below), whose sum is σ = 106825770. Its totient is φ = 28486864.

The previous prime is 56973727. The next prime is 56973739. The reversal of 56973736 is 63737965.

56973736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 31024900 + 25948836 = 5570^2 + 5094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (56973739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3560851 + ... + 3560866.

Almost surely, 2^56973736 is an apocalyptic number.

It is an amenable number.

56973736 is a deficient number, since it is larger than the sum of its proper divisors (49852034).

56973736 is a wasteful number, since it uses less digits than its factorization.

56973736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7121723 (or 7121719 counting only the distinct ones).

The product of its digits is 714420, while the sum is 46.

The square root of 56973736 is about 7548.0948589694. The cubic root of 56973736 is about 384.7909946703.

It can be divided in two parts, 569 and 73736, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 56973736 in words is "fifty-six million, nine hundred seventy-three thousand, seven hundred thirty-six".