68401924 has 12 divisors (see below), whose sum is σ = 119823424. Its totient is φ = 34166664.

The previous prime is 68401871. The next prime is 68401933. The reversal of 68401924 is 42910486.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68401924.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3792 + ... + 12295.

Almost surely, 2^68401924 is an apocalyptic number.

It is an amenable number.

68401924 is a deficient number, since it is larger than the sum of its proper divisors (51421500).

68401924 is a wasteful number, since it uses less digits than its factorization.

68401924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17154 (or 17152 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 68401924 is about 8270.5455684616. The cubic root of 68401924 is about 408.9681050684.

The spelling of 68401924 in words is "sixty-eight million, four hundred one thousand, nine hundred twenty-four".