68431832 has 24 divisors (see below), whose sum is σ = 149259060. Its totient is φ = 29327760.

The previous prime is 68431807. The next prime is 68431889. The reversal of 68431832 is 23813486.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68431792 and 68431801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86894 + ... + 87677.

Almost surely, 2^68431832 is an apocalyptic number.

It is an amenable number.

68431832 is an abundant number, since it is smaller than the sum of its proper divisors (80827228).

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

68431832 is a wasteful number, since it uses less digits than its factorization.

68431832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174591 (or 174580 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 68431832 is about 8272.3534740725. The cubic root of 68431832 is about 409.0277020072.

The spelling of 68431832 in words is "sixty-eight million, four hundred thirty-one thousand, eight hundred thirty-two".