64854680 has 32 divisors (see below), whose sum is σ = 159189840. Its totient is φ = 23583360.

The previous prime is 64854679. The next prime is 64854683. The reversal of 64854680 is 8645846.

It is a super-2 number, since 2×64854680² = 8412259035804800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64854683) 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, 73259 + ... + 74138.

Almost surely, 2^64854680 is an apocalyptic number.

It is an amenable number.

64854680 is an abundant number, since it is smaller than the sum of its proper divisors (94335160).

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

64854680 is a wasteful number, since it uses less digits than its factorization.

64854680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147419 (or 147415 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 64854680 is about 8053.2403416265. The cubic root of 64854680 is about 401.7727154275.

The spelling of 64854680 in words is "sixty-four million, eight hundred fifty-four thousand, six hundred eighty".