64929712 has 10 divisors (see below), whose sum is σ = 125801348. Its totient is φ = 32464848.

The previous prime is 64929673. The next prime is 64929721. The reversal of 64929712 is 21792946.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2029038 + ... + 2029069.

Almost surely, 2^64929712 is an apocalyptic number.

It is an amenable number.

64929712 is a deficient number, since it is larger than the sum of its proper divisors (60871636).

64929712 is a wasteful number, since it uses less digits than its factorization.

64929712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058115 (or 4058109 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 64929712 is about 8057.8974925225. The cubic root of 64929712 is about 401.9275960127.

The spelling of 64929712 in words is "sixty-four million, nine hundred twenty-nine thousand, seven hundred twelve".