68679472 has 20 divisors (see below), whose sum is σ = 138852720. Its totient is φ = 32846528.

The previous prime is 68679463. The next prime is 68679487. The reversal of 68679472 is 27497686.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92947 + ... + 93682.

It is an arithmetic number, because the mean of its divisors is an integer number (6942636).

Almost surely, 2^68679472 is an apocalyptic number.

It is an amenable number.

68679472 is an abundant number, since it is smaller than the sum of its proper divisors (70173248).

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

68679472 is a wasteful number, since it uses less digits than its factorization.

68679472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186660 (or 186654 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 68679472 is about 8287.3078861594. The cubic root of 68679472 is about 409.5205023023.

The spelling of 68679472 in words is "sixty-eight million, six hundred seventy-nine thousand, four hundred seventy-two".