64276680 has 64 divisors (see below), whose sum is σ = 207668160. Its totient is φ = 15821568.

The previous prime is 64276679. The next prime is 64276699. The reversal of 64276680 is 8667246.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19042 + ... + 22161.

It is an arithmetic number, because the mean of its divisors is an integer number (3244815).

Almost surely, 2^64276680 is an apocalyptic number.

64276680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64276680 is an abundant number, since it is smaller than the sum of its proper divisors (143391480).

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

64276680 is a wasteful number, since it uses less digits than its factorization.

64276680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41230 (or 41226 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 64276680 is about 8017.2738508797. The cubic root of 64276680 is about 400.5755880155.

The spelling of 64276680 in words is "sixty-four million, two hundred seventy-six thousand, six hundred eighty".