56723470 has 16 divisors (see below), whose sum is σ = 102416688. Its totient is φ = 22619520.

The previous prime is 56723467. The next prime is 56723477. The reversal of 56723470 is 7432765.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56723477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5259 + ... + 11878.

It is an arithmetic number, because the mean of its divisors is an integer number (6401043).

Almost surely, 2^56723470 is an apocalyptic number.

56723470 is a deficient number, since it is larger than the sum of its proper divisors (45693218).

56723470 is a wasteful number, since it uses less digits than its factorization.

56723470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17475.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 56723470 is about 7531.4985228705. The cubic root of 56723470 is about 384.2267495792.

The spelling of 56723470 in words is "fifty-six million, seven hundred twenty-three thousand, four hundred seventy".