68742732 has 24 divisors (see below), whose sum is σ = 164313072. Its totient is φ = 22355200.

The previous prime is 68742701. The next prime is 68742743. The reversal of 68742732 is 23724786.

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, 69369 + ... + 70352.

It is an arithmetic number, because the mean of its divisors is an integer number (6846378).

Almost surely, 2^68742732 is an apocalyptic number.

It is an amenable number.

68742732 is an abundant number, since it is smaller than the sum of its proper divisors (95570340).

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

68742732 is a wasteful number, since it uses less digits than its factorization.

68742732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139769 (or 139767 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 68742732 is about 8291.1236874141. The cubic root of 68742732 is about 409.6461988474.

The spelling of 68742732 in words is "sixty-eight million, seven hundred forty-two thousand, seven hundred thirty-two".