66376684 has 12 divisors (see below), whose sum is σ = 126719208. Its totient is φ = 30171200.

The previous prime is 66376657. The next prime is 66376691. The reversal of 66376684 is 48667366.

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 3 ways as a sum of consecutive naturals, for example, 754237 + ... + 754324.

It is an arithmetic number, because the mean of its divisors is an integer number (10559934).

Almost surely, 2^66376684 is an apocalyptic number.

It is an amenable number.

66376684 is a deficient number, since it is larger than the sum of its proper divisors (60342524).

66376684 is a wasteful number, since it uses less digits than its factorization.

66376684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508576 (or 1508574 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 66376684 is about 8147.1887175884. The cubic root of 66376684 is about 404.8913675010.

The spelling of 66376684 in words is "sixty-six million, three hundred seventy-six thousand, six hundred eighty-four".