64696328 has 16 divisors (see below), whose sum is σ = 121986000. Its totient is φ = 32166736.

The previous prime is 64696321. The next prime is 64696343. The reversal of 64696328 is 82369646.

It is a super-2 number, since 2×64696328² = 8371229713367168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64696321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21158 + ... + 24021.

It is an arithmetic number, because the mean of its divisors is an integer number (7624125).

Almost surely, 2^64696328 is an apocalyptic number.

It is an amenable number.

64696328 is a deficient number, since it is larger than the sum of its proper divisors (57289672).

64696328 is a wasteful number, since it uses less digits than its factorization.

64696328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45364 (or 45360 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 64696328 is about 8043.4027625129. The cubic root of 64696328 is about 401.4454537006.

The spelling of 64696328 in words is "sixty-four million, six hundred ninety-six thousand, three hundred twenty-eight".