68881432 has 16 divisors (see below), whose sum is σ = 129528000. Its totient is φ = 34340640.

The previous prime is 68881429. The next prime is 68881447. The reversal of 68881432 is 23418886.

It is a congruent number.

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, 9544 + ... + 15127.

It is an arithmetic number, because the mean of its divisors is an integer number (8095500).

Almost surely, 2^68881432 is an apocalyptic number.

It is an amenable number.

68881432 is a deficient number, since it is larger than the sum of its proper divisors (60646568).

68881432 is a wasteful number, since it uses less digits than its factorization.

68881432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25026 (or 25022 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 68881432 is about 8299.4838393722. The cubic root of 68881432 is about 409.9215237468.

The spelling of 68881432 in words is "sixty-eight million, eight hundred eighty-one thousand, four hundred thirty-two".