64057713 has 4 divisors (see below), whose sum is σ = 85410288. Its totient is φ = 42705140.

The previous prime is 64057709. The next prime is 64057729. The reversal of 64057713 is 31775046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64057713 - 2² = 64057709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64057753) 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, 10676283 + ... + 10676288.

It is an arithmetic number, because the mean of its divisors is an integer number (21352572).

Almost surely, 2^64057713 is an apocalyptic number.

It is an amenable number.

64057713 is a deficient number, since it is larger than the sum of its proper divisors (21352575).

64057713 is a wasteful number, since it uses less digits than its factorization.

64057713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21352574.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 64057713 is about 8003.6062496852. The cubic root of 64057713 is about 400.1201992934.

The spelling of 64057713 in words is "sixty-four million, fifty-seven thousand, seven hundred thirteen".