68718937 has 8 divisors (see below), whose sum is σ = 79482816. Its totient is φ = 58191792.

The previous prime is 68718929. The next prime is 68718967. The reversal of 68718937 is 73981786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68718937 - 2³ = 68718929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68718967) 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, 58558 + ... + 59719.

It is an arithmetic number, because the mean of its divisors is an integer number (9935352).

Almost surely, 2^68718937 is an apocalyptic number.

It is an amenable number.

68718937 is a deficient number, since it is larger than the sum of its proper divisors (10763879).

68718937 is a wasteful number, since it uses less digits than its factorization.

68718937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118367.

The product of its digits is 508032, while the sum is 49.

The square root of 68718937 is about 8289.6885948750. The cubic root of 68718937 is about 409.5989276381.

The spelling of 68718937 in words is "sixty-eight million, seven hundred eighteen thousand, nine hundred thirty-seven".