68715974 has 16 divisors (see below), whose sum is σ = 105513408. Its totient is φ = 33548352.

The previous prime is 68715971. The next prime is 68716003. The reversal of 68715974 is 47951786.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68715971) 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, 79754 + ... + 80610.

It is an arithmetic number, because the mean of its divisors is an integer number (6594588).

Almost surely, 2^68715974 is an apocalyptic number.

68715974 is a deficient number, since it is larger than the sum of its proper divisors (36797434).

68715974 is a wasteful number, since it uses less digits than its factorization.

68715974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759.

The product of its digits is 423360, while the sum is 47.

The square root of 68715974 is about 8289.5098769469. The cubic root of 68715974 is about 409.5930405706.

It can be divided in two parts, 687 and 15974, that added together give a palindrome (16661).

The spelling of 68715974 in words is "sixty-eight million, seven hundred fifteen thousand, nine hundred seventy-four".