68115594 has 16 divisors (see below), whose sum is σ = 139913568. Its totient is φ = 22091472.

The previous prime is 68115571. The next prime is 68115599. The reversal of 68115594 is 49551186.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68115599) 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, 153192 + ... + 153635.

It is an arithmetic number, because the mean of its divisors is an integer number (8744598).

Almost surely, 2^68115594 is an apocalyptic number.

68115594 is an abundant number, since it is smaller than the sum of its proper divisors (71797974).

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

68115594 is a wasteful number, since it uses less digits than its factorization.

68115594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306869.

The product of its digits is 43200, while the sum is 39.

The square root of 68115594 is about 8253.2171908899. The cubic root of 68115594 is about 408.3966610467.

The spelling of 68115594 in words is "sixty-eight million, one hundred fifteen thousand, five hundred ninety-four".