68430872 has 16 divisors (see below), whose sum is σ = 131038560. Its totient is φ = 33487264.

The previous prime is 68430847. The next prime is 68430893. The reversal of 68430872 is 27803486.

It is a congruent 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, 90623 + ... + 91374.

It is an arithmetic number, because the mean of its divisors is an integer number (8189910).

Almost surely, 2^68430872 is an apocalyptic number.

It is an amenable number.

68430872 is a deficient number, since it is larger than the sum of its proper divisors (62607688).

68430872 is a wasteful number, since it uses less digits than its factorization.

68430872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182050 (or 182046 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 68430872 is about 8272.2954492692. The cubic root of 68430872 is about 409.0257893084.

The spelling of 68430872 in words is "sixty-eight million, four hundred thirty thousand, eight hundred seventy-two".