68437432 has 16 divisors (see below), whose sum is σ = 146651760. Its totient is φ = 29330304.

The previous prime is 68437417. The next prime is 68437471. The reversal of 68437432 is 23473486.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68437391 and 68437400.

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, 610993 + ... + 611104.

It is an arithmetic number, because the mean of its divisors is an integer number (9165735).

Almost surely, 2^68437432 is an apocalyptic number.

It is an amenable number.

68437432 is an abundant number, since it is smaller than the sum of its proper divisors (78214328).

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

68437432 is a wasteful number, since it uses less digits than its factorization.

68437432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222110 (or 1222106 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 68437432 is about 8272.6919439805. The cubic root of 68437432 is about 409.0388590598.

The spelling of 68437432 in words is "sixty-eight million, four hundred thirty-seven thousand, four hundred thirty-two".