64926057 has 16 divisors (see below), whose sum is σ = 99459072. Its totient is φ = 36904080.

The previous prime is 64926053. The next prime is 64926061. The reversal of 64926057 is 75062946.

It is an interprime number because it is at equal distance from previous prime (64926053) and next prime (64926061).

It is not a de Polignac number, because 64926057 - 2² = 64926053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64926053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4083 + ... + 12104.

It is an arithmetic number, because the mean of its divisors is an integer number (6216192).

Almost surely, 2^64926057 is an apocalyptic number.

It is an amenable number.

64926057 is a deficient number, since it is larger than the sum of its proper divisors (34533015).

64926057 is a wasteful number, since it uses less digits than its factorization.

64926057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16388.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 64926057 is about 8057.6706931966. The cubic root of 64926057 is about 401.9200541500.

The spelling of 64926057 in words is "sixty-four million, nine hundred twenty-six thousand, fifty-seven".