68401672 has 16 divisors (see below), whose sum is σ = 135003600. Its totient is φ = 32400720.

The previous prime is 68401667. The next prime is 68401687. The reversal of 68401672 is 27610486.

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, 224854 + ... + 225157.

It is an arithmetic number, because the mean of its divisors is an integer number (8437725).

Almost surely, 2^68401672 is an apocalyptic number.

It is an amenable number.

68401672 is a deficient number, since it is larger than the sum of its proper divisors (66601928).

68401672 is a wasteful number, since it uses less digits than its factorization.

68401672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450036 (or 450032 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 68401672 is about 8270.5303336606. The cubic root of 68401672 is about 408.9676028403.

The spelling of 68401672 in words is "sixty-eight million, four hundred one thousand, six hundred seventy-two".