68165474 has 12 divisors (see below), whose sum is σ = 110719026. Its totient is φ = 31460832.

The previous prime is 68165441. The next prime is 68165501. The reversal of 68165474 is 47456186.

It can be written as a sum of positive squares in 3 ways, for example, as 10936249 + 57229225 = 3307^2 + 7565^2 .

It is a Curzon number.

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, 100499 + ... + 101174.

Almost surely, 2^68165474 is an apocalyptic number.

68165474 is a deficient number, since it is larger than the sum of its proper divisors (42553552).

68165474 is a wasteful number, since it uses less digits than its factorization.

68165474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201701 (or 201688 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 68165474 is about 8256.2384897724. The cubic root of 68165474 is about 408.4963242509.

The spelling of 68165474 in words is "sixty-eight million, one hundred sixty-five thousand, four hundred seventy-four".