68572168 has 24 divisors (see below), whose sum is σ = 149565150. Its totient is φ = 29387904.

The previous prime is 68572157. The next prime is 68572187. The reversal of 68572168 is 86127586.

It can be written as a sum of positive squares in only one way, i.e., 42745444 + 25826724 = 6538^2 + 5082^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87073 + ... + 87856.

Almost surely, 2^68572168 is an apocalyptic number.

It is an amenable number.

68572168 is an abundant number, since it is smaller than the sum of its proper divisors (80992982).

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

68572168 is a wasteful number, since it uses less digits than its factorization.

68572168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174949 (or 174938 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 68572168 is about 8280.8313592296. The cubic root of 68572168 is about 409.3071144586.

It can be divided in two parts, 6857 and 2168, that added together give a square (9025 = 95²).

The spelling of 68572168 in words is "sixty-eight million, five hundred seventy-two thousand, one hundred sixty-eight".