64634324 has 24 divisors (see below), whose sum is σ = 119535360. Its totient is φ = 30517344.

The previous prime is 64634299. The next prime is 64634329. The reversal of 64634324 is 42343646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64634329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2822 + ... + 11714.

It is an arithmetic number, because the mean of its divisors is an integer number (4980640).

Almost surely, 2^64634324 is an apocalyptic number.

It is an amenable number.

64634324 is a deficient number, since it is larger than the sum of its proper divisors (54901036).

64634324 is a wasteful number, since it uses less digits than its factorization.

64634324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999 (or 8997 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

The square root of 64634324 is about 8039.5474997042. The cubic root of 64634324 is about 401.3171662552.

The spelling of 64634324 in words is "sixty-four million, six hundred thirty-four thousand, three hundred twenty-four".