64682464 has 48 divisors (see below), whose sum is σ = 158772096. Its totient is φ = 25200000.

The previous prime is 64682447. The next prime is 64682473. The reversal of 64682464 is 46428646.

It is a super-2 number, since 2×64682464² = 8367642298222592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10662 + ... + 15589.

It is an arithmetic number, because the mean of its divisors is an integer number (3307752).

Almost surely, 2^64682464 is an apocalyptic number.

It is an amenable number.

64682464 is an abundant number, since it is smaller than the sum of its proper divisors (94089632).

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

64682464 is a wasteful number, since it uses less digits than its factorization.

64682464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26279 (or 26271 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 64682464 is about 8042.5408920316. The cubic root of 64682464 is about 401.4167759402.

The spelling of 64682464 in words is "sixty-four million, six hundred eighty-two thousand, four hundred sixty-four".