64873264 has 20 divisors (see below), whose sum is σ = 125927704. Its totient is φ = 32375808.

The previous prime is 64873243. The next prime is 64873267. The reversal of 64873264 is 46237846.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64873267) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5719 + ... + 12745.

Almost surely, 2^64873264 is an apocalyptic number.

It is an amenable number.

64873264 is a deficient number, since it is larger than the sum of its proper divisors (61054440).

64873264 is a wasteful number, since it uses less digits than its factorization.

64873264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7612 (or 7606 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 64873264 is about 8054.3940802521. The cubic root of 64873264 is about 401.8110875290.

The spelling of 64873264 in words is "sixty-four million, eight hundred seventy-three thousand, two hundred sixty-four".