64256937 has 8 divisors (see below), whose sum is σ = 85756704. Its totient is φ = 42797568.

The previous prime is 64256911. The next prime is 64256981. The reversal of 64256937 is 73965246.

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

It is not a de Polignac number, because 64256937 - 2⁶ = 64256873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64256987) 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, 6168 + ... + 12905.

It is an arithmetic number, because the mean of its divisors is an integer number (10719588).

Almost surely, 2^64256937 is an apocalyptic number.

It is an amenable number.

64256937 is a deficient number, since it is larger than the sum of its proper divisors (21499767).

64256937 is a wasteful number, since it uses less digits than its factorization.

64256937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20199.

The product of its digits is 272160, while the sum is 42.

The square root of 64256937 is about 8016.0424774324. The cubic root of 64256937 is about 400.5345706839.

The spelling of 64256937 in words is "sixty-four million, two hundred fifty-six thousand, nine hundred thirty-seven".