71679684 has 48 divisors (see below), whose sum is σ = 184802688. Its totient is φ = 21508608.

The previous prime is 71679607. The next prime is 71679703. The reversal of 71679684 is 48697617.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2947 + ... + 12330.

It is an arithmetic number, because the mean of its divisors is an integer number (3850056).

Almost surely, 2^71679684 is an apocalyptic number.

It is an amenable number.

71679684 is an abundant number, since it is smaller than the sum of its proper divisors (113123004).

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

71679684 is a wasteful number, since it uses less digits than its factorization.

71679684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324 (or 15322 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 71679684 is about 8466.3855333903. The cubic root of 71679684 is about 415.3989177201.

The spelling of 71679684 in words is "seventy-one million, six hundred seventy-nine thousand, six hundred eighty-four".