68043632 has 10 divisors (see below), whose sum is σ = 131834568. Its totient is φ = 34021808.

The previous prime is 68043607. The next prime is 68043709. The reversal of 68043632 is 23634086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126348 + ... + 2126379.

Almost surely, 2^68043632 is an apocalyptic number.

It is an amenable number.

68043632 is a deficient number, since it is larger than the sum of its proper divisors (63790936).

68043632 is a wasteful number, since it uses less digits than its factorization.

68043632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252735 (or 4252729 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 68043632 is about 8248.8564055874. The cubic root of 68043632 is about 408.2527909263.

The spelling of 68043632 in words is "sixty-eight million, forty-three thousand, six hundred thirty-two".