68816832 has 56 divisors (see below), whose sum is σ = 208093056. Its totient is φ = 19661568.

The previous prime is 68816801. The next prime is 68816857. The reversal of 68816832 is 23861886.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24258 + ... + 26945.

Almost surely, 2^68816832 is an apocalyptic number.

It is an amenable number.

68816832 is an abundant number, since it is smaller than the sum of its proper divisors (139276224).

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

68816832 is a wasteful number, since it uses less digits than its factorization.

68816832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51225 (or 51215 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 68816832 is about 8295.5911181784. The cubic root of 68816832 is about 409.7933362595.

The spelling of 68816832 in words is "sixty-eight million, eight hundred sixteen thousand, eight hundred thirty-two".