68879424 has 28 divisors (see below), whose sum is σ = 182243984. Its totient is φ = 22959744.

The previous prime is 68879423. The next prime is 68879429. The reversal of 68879424 is 42497886.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (68879423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179182 + ... + 179565.

Almost surely, 2^68879424 is an apocalyptic number.

68879424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68879424 is an abundant number, since it is smaller than the sum of its proper divisors (113364560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68879424 is a wasteful number, since it uses less digits than its factorization.

68879424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358762 (or 358752 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 68879424 is about 8299.3628671121. The cubic root of 68879424 is about 409.9175404265.

The spelling of 68879424 in words is "sixty-eight million, eight hundred seventy-nine thousand, four hundred twenty-four".