57064723 has 4 divisors (see below), whose sum is σ = 57164200. Its totient is φ = 56965248.

The previous prime is 57064717. The next prime is 57064807. The reversal of 57064723 is 32746075.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57064723 - 2²¹ = 54967571 is a prime.

It is a super-2 number, since 2×57064723² = 6512765222133458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57064123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48873 + ... + 50026.

It is an arithmetic number, because the mean of its divisors is an integer number (14291050).

Almost surely, 2^57064723 is an apocalyptic number.

57064723 is a deficient number, since it is larger than the sum of its proper divisors (99477).

57064723 is an equidigital number, since it uses as much as digits as its factorization.

57064723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99476.

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

The square root of 57064723 is about 7554.1196045602. The cubic root of 57064723 is about 384.9957226713.

The spelling of 57064723 in words is "fifty-seven million, sixty-four thousand, seven hundred twenty-three".