64265697 has 16 divisors (see below), whose sum is σ = 98280960. Its totient is φ = 41461200.

The previous prime is 64265687. The next prime is 64265713. The reversal of 64265697 is 79656246.

64265697 is a `hidden beast` number, since 64 + 26 + 569 + 7 = 666.

It is not a de Polignac number, because 64265697 - 2⁷ = 64265569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64265687) 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, 37554 + ... + 39227.

It is an arithmetic number, because the mean of its divisors is an integer number (6142560).

Almost surely, 2^64265697 is an apocalyptic number.

It is an amenable number.

64265697 is a deficient number, since it is larger than the sum of its proper divisors (34015263).

64265697 is a wasteful number, since it uses less digits than its factorization.

64265697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76821 (or 76815 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 64265697 is about 8016.5888631013. The cubic root of 64265697 is about 400.5527711749.

The spelling of 64265697 in words is "sixty-four million, two hundred sixty-five thousand, six hundred ninety-seven".