68716479 has 16 divisors (see below), whose sum is σ = 102961152. Its totient is φ = 40447968.

The previous prime is 68716477. The next prime is 68716481. The reversal of 68716479 is 97461786.

It is an interprime number because it is at equal distance from previous prime (68716477) and next prime (68716481).

It is not a de Polignac number, because 68716479 - 2¹ = 68716477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68716471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37407 + ... + 39200.

It is an arithmetic number, because the mean of its divisors is an integer number (6435072).

Almost surely, 2^68716479 is an apocalyptic number.

68716479 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

68716479 is a deficient number, since it is larger than the sum of its proper divisors (34244673).

68716479 is a wasteful number, since it uses less digits than its factorization.

68716479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76646.

The product of its digits is 508032, while the sum is 48.

The square root of 68716479 is about 8289.5403370754. The cubic root of 68716479 is about 409.5940439471.

The spelling of 68716479 in words is "sixty-eight million, seven hundred sixteen thousand, four hundred seventy-nine".