64719676 has 12 divisors (see below), whose sum is σ = 129439408. Its totient is φ = 27736992.

The previous prime is 64719673. The next prime is 64719691. The reversal of 64719676 is 67691746.

64719676 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64719673) 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, 1155681 + ... + 1155736.

Almost surely, 2^64719676 is an apocalyptic number.

It is an amenable number.

64719676 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64719676 is a wasteful number, since it uses less digits than its factorization.

64719676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311428 (or 2311426 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 64719676 is about 8044.8540073764. The cubic root of 64719676 is about 401.4937399091.

The spelling of 64719676 in words is "sixty-four million, seven hundred nineteen thousand, six hundred seventy-six".