68318474 has 16 divisors (see below), whose sum is σ = 117263808. Its totient is φ = 29242752.

The previous prime is 68318473. The next prime is 68318483. The reversal of 68318474 is 47481386.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68318473) 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, 10682 + ... + 15834.

It is an arithmetic number, because the mean of its divisors is an integer number (7328988).

Almost surely, 2^68318474 is an apocalyptic number.

68318474 is a deficient number, since it is larger than the sum of its proper divisors (48945334).

68318474 is a wasteful number, since it uses less digits than its factorization.

68318474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109.

The product of its digits is 129024, while the sum is 41.

The square root of 68318474 is about 8265.4990169983. The cubic root of 68318474 is about 408.8017243849.

The spelling of 68318474 in words is "sixty-eight million, three hundred eighteen thousand, four hundred seventy-four".