56400746 has 8 divisors (see below), whose sum is σ = 84633060. Its totient is φ = 28189728.

The previous prime is 56400733. The next prime is 56400787. The reversal of 56400746 is 64700465.

It can be written as a sum of positive squares in 2 ways, for example, as 44422225 + 11978521 = 6665^2 + 3461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 7070 + ... + 12758.

Almost surely, 2^56400746 is an apocalyptic number.

56400746 is a deficient number, since it is larger than the sum of its proper divisors (28232314).

56400746 is a wasteful number, since it uses less digits than its factorization.

56400746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10648.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 56400746 is about 7510.0430091978. The cubic root of 56400746 is about 383.4966866905.

The spelling of 56400746 in words is "fifty-six million, four hundred thousand, seven hundred forty-six".