56740836 has 12 divisors (see below), whose sum is σ = 132395312. Its totient is φ = 18913608.

The previous prime is 56740823. The next prime is 56740861. The reversal of 56740836 is 63804765.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 56740794 and 56740803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364190 + ... + 2364213.

Almost surely, 2^56740836 is an apocalyptic number.

It is an amenable number.

56740836 is an abundant number, since it is smaller than the sum of its proper divisors (75654476).

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

56740836 is a wasteful number, since it uses less digits than its factorization.

56740836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728410 (or 4728408 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 56740836 is about 7532.6513260604. The cubic root of 56740836 is about 384.2659561658.

The spelling of 56740836 in words is "fifty-six million, seven hundred forty thousand, eight hundred thirty-six".