68241904 has 10 divisors (see below), whose sum is σ = 132218720. Its totient is φ = 34120944.

The previous prime is 68241889. The next prime is 68241913. The reversal of 68241904 is 40914286.

It is a self number, because there is not a number n which added to its sum of digits gives 68241904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2132544 + ... + 2132575.

It is an arithmetic number, because the mean of its divisors is an integer number (13221872).

Almost surely, 2^68241904 is an apocalyptic number.

It is an amenable number.

68241904 is a deficient number, since it is larger than the sum of its proper divisors (63976816).

68241904 is a wasteful number, since it uses less digits than its factorization.

68241904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265127 (or 4265121 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 68241904 is about 8260.8658141868. The cubic root of 68241904 is about 408.6489416518.

The spelling of 68241904 in words is "sixty-eight million, two hundred forty-one thousand, nine hundred four".