67979672 has 16 divisors (see below), whose sum is σ = 130174560. Its totient is φ = 33266464.

The previous prime is 67979669. The next prime is 67979687. The reversal of 67979672 is 27697976.

It is a congruent number.

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, 90023 + ... + 90774.

It is an arithmetic number, because the mean of its divisors is an integer number (8135910).

Almost surely, 2^67979672 is an apocalyptic number.

It is an amenable number.

67979672 is a deficient number, since it is larger than the sum of its proper divisors (62194888).

67979672 is a wasteful number, since it uses less digits than its factorization.

67979672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180850 (or 180846 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 53.

The square root of 67979672 is about 8244.9785930589. The cubic root of 67979672 is about 408.1248336456.

The spelling of 67979672 in words is "sixty-seven million, nine hundred seventy-nine thousand, six hundred seventy-two".