68913418 has 32 divisors (see below), whose sum is σ = 124848000. Its totient is φ = 27869184.

The previous prime is 68913413. The next prime is 68913431. The reversal of 68913418 is 81431986.

It is not an unprimeable number, because it can be changed into a prime (68913413) 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, 119146 + ... + 119722.

It is an arithmetic number, because the mean of its divisors is an integer number (3901500).

Almost surely, 2^68913418 is an apocalyptic number.

68913418 is a deficient number, since it is larger than the sum of its proper divisors (55934582).

68913418 is a wasteful number, since it uses less digits than its factorization.

68913418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054.

The product of its digits is 41472, while the sum is 40.

The square root of 68913418 is about 8301.4106030240. The cubic root of 68913418 is about 409.9849647471.

The spelling of 68913418 in words is "sixty-eight million, nine hundred thirteen thousand, four hundred eighteen".