64529684 has 12 divisors (see below), whose sum is σ = 115329984. Its totient is φ = 31578264.

The previous prime is 64529659. The next prime is 64529687. The reversal of 64529684 is 48692546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64529687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171434 + ... + 171809.

It is an arithmetic number, because the mean of its divisors is an integer number (9610832).

Almost surely, 2^64529684 is an apocalyptic number.

It is an amenable number.

64529684 is a deficient number, since it is larger than the sum of its proper divisors (50800300).

64529684 is a wasteful number, since it uses less digits than its factorization.

64529684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343294 (or 343292 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 64529684 is about 8033.0370346464. The cubic root of 64529684 is about 401.1004779276.

The spelling of 64529684 in words is "sixty-four million, five hundred twenty-nine thousand, six hundred eighty-four".