68157174 has 16 divisors (see below), whose sum is σ = 136401408. Its totient is φ = 22704552.

The previous prime is 68157149. The next prime is 68157223. The reversal of 68157174 is 47175186.

It is a congruent number.

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, 11239 + ... + 16205.

It is an arithmetic number, because the mean of its divisors is an integer number (8525088).

Almost surely, 2^68157174 is an apocalyptic number.

68157174 is an abundant number, since it is smaller than the sum of its proper divisors (68244234).

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

68157174 is a wasteful number, since it uses less digits than its factorization.

68157174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7259.

The product of its digits is 47040, while the sum is 39.

The square root of 68157174 is about 8255.7358242618. The cubic root of 68157174 is about 408.4797437304.

The spelling of 68157174 in words is "sixty-eight million, one hundred fifty-seven thousand, one hundred seventy-four".