68426732 has 12 divisors (see below), whose sum is σ = 130632936. Its totient is φ = 31103040.

The previous prime is 68426731. The next prime is 68426737. The reversal of 68426732 is 23762486.

It is not an unprimeable number, because it can be changed into a prime (68426731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777533 + ... + 777620.

It is an arithmetic number, because the mean of its divisors is an integer number (10886078).

Almost surely, 2^68426732 is an apocalyptic number.

It is an amenable number.

68426732 is a deficient number, since it is larger than the sum of its proper divisors (62206204).

68426732 is a wasteful number, since it uses less digits than its factorization.

68426732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555168 (or 1555166 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 68426732 is about 8272.0452126424. The cubic root of 68426732 is about 409.0175405903.

The spelling of 68426732 in words is "sixty-eight million, four hundred twenty-six thousand, seven hundred thirty-two".