68536408 has 16 divisors (see below), whose sum is σ = 129951000. Its totient is φ = 33882816.

The previous prime is 68536399. The next prime is 68536411. The reversal of 68536408 is 80463586.

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, 47418 + ... + 48841.

Almost surely, 2^68536408 is an apocalyptic number.

It is an amenable number.

68536408 is a deficient number, since it is larger than the sum of its proper divisors (61414592).

68536408 is a wasteful number, since it uses less digits than its factorization.

68536408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96354 (or 96350 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 68536408 is about 8278.6718741595. The cubic root of 68536408 is about 409.2359516340.

The spelling of 68536408 in words is "sixty-eight million, five hundred thirty-six thousand, four hundred eight".