64636014 has 32 divisors (see below), whose sum is σ = 131072256. Its totient is φ = 21248000.

The previous prime is 64635971. The next prime is 64636021. The reversal of 64636014 is 41063646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251374 + ... + 251630.

It is an arithmetic number, because the mean of its divisors is an integer number (4096008).

Almost surely, 2^64636014 is an apocalyptic number.

64636014 is an abundant number, since it is smaller than the sum of its proper divisors (66436242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64636014 is a wasteful number, since it uses less digits than its factorization.

64636014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 64636014 is about 8039.6526044351. The cubic root of 64636014 is about 401.3206639844.

The spelling of 64636014 in words is "sixty-four million, six hundred thirty-six thousand, fourteen".