64976460 has 48 divisors (see below), whose sum is σ = 182767200. Its totient is φ = 17247744.

The previous prime is 64976459. The next prime is 64976503. The reversal of 64976460 is 6467946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11376 + ... + 16104.

It is an arithmetic number, because the mean of its divisors is an integer number (3807650).

Almost surely, 2^64976460 is an apocalyptic number.

64976460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64976460 is an abundant number, since it is smaller than the sum of its proper divisors (117790740).

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

64976460 is a wasteful number, since it uses less digits than its factorization.

64976460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970 (or 4968 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 64976460 is about 8060.7977272724. The cubic root of 64976460 is about 402.0240326218.

The spelling of 64976460 in words is "sixty-four million, nine hundred seventy-six thousand, four hundred sixty".