68878632 has 16 divisors (see below), whose sum is σ = 172196640. Its totient is φ = 22959536.

The previous prime is 68878627. The next prime is 68878643. The reversal of 68878632 is 23687886.

It is a happy 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, 1434948 + ... + 1434995.

It is an arithmetic number, because the mean of its divisors is an integer number (10762290).

Almost surely, 2^68878632 is an apocalyptic number.

It is an amenable number.

68878632 is an abundant number, since it is smaller than the sum of its proper divisors (103318008).

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

68878632 is a wasteful number, since it uses less digits than its factorization.

68878632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869952 (or 2869948 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 68878632 is about 8299.3151524689. The cubic root of 68878632 is about 409.9159692948.

The spelling of 68878632 in words is "sixty-eight million, eight hundred seventy-eight thousand, six hundred thirty-two".