64669364 has 12 divisors (see below), whose sum is σ = 113320704. Its totient is φ = 32292024.

The previous prime is 64669357. The next prime is 64669393. The reversal of 64669364 is 46396646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7124 + ... + 13419.

It is an arithmetic number, because the mean of its divisors is an integer number (9443392).

Almost surely, 2^64669364 is an apocalyptic number.

It is an amenable number.

64669364 is a deficient number, since it is larger than the sum of its proper divisors (48651340).

64669364 is a wasteful number, since it uses less digits than its factorization.

64669364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21334 (or 21332 counting only the distinct ones).

The product of its digits is 559872, while the sum is 44.

The square root of 64669364 is about 8041.7264315568. The cubic root of 64669364 is about 401.3896747524.

The spelling of 64669364 in words is "sixty-four million, six hundred sixty-nine thousand, three hundred sixty-four".