68088972 has 24 divisors (see below), whose sum is σ = 181570816. Its totient is φ = 19453968.

The previous prime is 68088959. The next prime is 68088973. The reversal of 68088972 is 27988086.

It is a happy number.

It is a super-2 number, since 2×68088972² = 9272216216033568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68088973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405208 + ... + 405375.

Almost surely, 2^68088972 is an apocalyptic number.

It is an amenable number.

68088972 is an abundant number, since it is smaller than the sum of its proper divisors (113481844).

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

68088972 is a wasteful number, since it uses less digits than its factorization.

68088972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810597 (or 810595 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 68088972 is about 8251.6042076677. The cubic root of 68088972 is about 408.3434487938.

The spelling of 68088972 in words is "sixty-eight million, eighty-eight thousand, nine hundred seventy-two".