67938472 has 32 divisors (see below), whose sum is σ = 147585600. Its totient is φ = 28715904.

The previous prime is 67938467. The next prime is 67938529. The reversal of 67938472 is 27483976.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4222 + ... + 12397.

It is an arithmetic number, because the mean of its divisors is an integer number (4612050).

Almost surely, 2^67938472 is an apocalyptic number.

It is an amenable number.

67938472 is an abundant number, since it is smaller than the sum of its proper divisors (79647128).

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

67938472 is a wasteful number, since it uses less digits than its factorization.

67938472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16705 (or 16701 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 67938472 is about 8242.4797239666. The cubic root of 67938472 is about 408.0423671242.

The spelling of 67938472 in words is "sixty-seven million, nine hundred thirty-eight thousand, four hundred seventy-two".