68835172 has 24 divisors (see below), whose sum is σ = 137846016. Its totient is φ = 29463168.

The previous prime is 68835167. The next prime is 68835199. The reversal of 68835172 is 27153886.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct 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, 42693 + ... + 44275.

It is an arithmetic number, because the mean of its divisors is an integer number (5743584).

Almost surely, 2^68835172 is an apocalyptic number.

It is an amenable number.

68835172 is an abundant number, since it is smaller than the sum of its proper divisors (69010844).

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

68835172 is a wasteful number, since it uses less digits than its factorization.

68835172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147 (or 3145 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 68835172 is about 8296.6964509978. The cubic root of 68835172 is about 409.8297369579.

The spelling of 68835172 in words is "sixty-eight million, eight hundred thirty-five thousand, one hundred seventy-two".