64523208 has 16 divisors (see below), whose sum is σ = 161308080. Its totient is φ = 21507728.

The previous prime is 64523197. The next prime is 64523237. The reversal of 64523208 is 80232546.

64523208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64523208² = 8326488741222528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344210 + ... + 1344257.

It is an arithmetic number, because the mean of its divisors is an integer number (10081755).

Almost surely, 2^64523208 is an apocalyptic number.

It is an amenable number.

64523208 is an abundant number, since it is smaller than the sum of its proper divisors (96784872).

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

64523208 is a wasteful number, since it uses less digits than its factorization.

64523208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688476 (or 2688472 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 64523208 is about 8032.6339391261. The cubic root of 64523208 is about 401.0870597433.

The spelling of 64523208 in words is "sixty-four million, five hundred twenty-three thousand, two hundred eight".