68427918 has 24 divisors (see below), whose sum is σ = 159665688. Its totient is φ = 21054672.

The previous prime is 68427899. The next prime is 68427923. The reversal of 68427918 is 81972486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145980 + ... + 146447.

It is an arithmetic number, because the mean of its divisors is an integer number (6652737).

Almost surely, 2^68427918 is an apocalyptic number.

68427918 is an abundant number, since it is smaller than the sum of its proper divisors (91237770).

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

68427918 is a wasteful number, since it uses less digits than its factorization.

68427918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292448 (or 292445 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 68427918 is about 8272.1168995608. The cubic root of 68427918 is about 409.0199036629.

The spelling of 68427918 in words is "sixty-eight million, four hundred twenty-seven thousand, nine hundred eighteen".