56786740 has 12 divisors (see below), whose sum is σ = 119252196. Its totient is φ = 22714688.

The previous prime is 56786713. The next prime is 56786753. The reversal of 56786740 is 4768765.

It can be written as a sum of positive squares in 2 ways, for example, as 43797924 + 12988816 = 6618^2 + 3604^2 .

It is a congruent number.

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, 1419649 + ... + 1419688.

It is an arithmetic number, because the mean of its divisors is an integer number (9937683).

Almost surely, 2^56786740 is an apocalyptic number.

It is an amenable number.

56786740 is an abundant number, since it is smaller than the sum of its proper divisors (62465456).

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

56786740 is a wasteful number, since it uses less digits than its factorization.

56786740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839346 (or 2839344 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 56786740 is about 7535.6977115593. The cubic root of 56786740 is about 384.3695534514.

The spelling of 56786740 in words is "fifty-six million, seven hundred eighty-six thousand, seven hundred forty".