64520324 has 12 divisors (see below), whose sum is σ = 123175248. Its totient is φ = 29327400.

The previous prime is 64520317. The next prime is 64520353. The reversal of 64520324 is 42302546.

It is a junction number, because it is equal to n+sod(n) for n = 64520293 and 64520302.

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, 733142 + ... + 733229.

It is an arithmetic number, because the mean of its divisors is an integer number (10264604).

Almost surely, 2^64520324 is an apocalyptic number.

It is an amenable number.

64520324 is a deficient number, since it is larger than the sum of its proper divisors (58654924).

64520324 is a wasteful number, since it uses less digits than its factorization.

64520324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466386 (or 1466384 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 64520324 is about 8032.4544194163. The cubic root of 64520324 is about 401.0810838453.

The spelling of 64520324 in words is "sixty-four million, five hundred twenty thousand, three hundred twenty-four".