68494279 has 8 divisors (see below), whose sum is σ = 79040000. Its totient is φ = 58138776.

The previous prime is 68494273. The next prime is 68494291. The reversal of 68494279 is 97249486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68494279 - 2⁵ = 68494247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68494273) 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, 46779 + ... + 48220.

It is an arithmetic number, because the mean of its divisors is an integer number (9880000).

Almost surely, 2^68494279 is an apocalyptic number.

68494279 is a deficient number, since it is larger than the sum of its proper divisors (10545721).

68494279 is a wasteful number, since it uses less digits than its factorization.

68494279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95109.

The product of its digits is 870912, while the sum is 49.

The square root of 68494279 is about 8276.1270531572. The cubic root of 68494279 is about 409.1520826574.

The spelling of 68494279 in words is "sixty-eight million, four hundred ninety-four thousand, two hundred seventy-nine".