68557832 has 32 divisors (see below), whose sum is σ = 149688000. Its totient is φ = 28826304.

The previous prime is 68557829. The next prime is 68557843. The reversal of 68557832 is 23875586.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 8582 + ... + 14517.

It is an arithmetic number, because the mean of its divisors is an integer number (4677750).

Almost surely, 2^68557832 is an apocalyptic number.

It is an amenable number.

68557832 is an abundant number, since it is smaller than the sum of its proper divisors (81130168).

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

68557832 is a wasteful number, since it uses less digits than its factorization.

68557832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23165 (or 23161 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 68557832 is about 8279.9657004120. The cubic root of 68557832 is about 409.2785886202.

The spelling of 68557832 in words is "sixty-eight million, five hundred fifty-seven thousand, eight hundred thirty-two".