68964938 has 16 divisors (see below), whose sum is σ = 118333824. Its totient is φ = 29529360.

The previous prime is 68964913. The next prime is 68964947. The reversal of 68964938 is 83946986.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68964938.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24731 + ... + 27377.

It is an arithmetic number, because the mean of its divisors is an integer number (7395864).

Almost surely, 2^68964938 is an apocalyptic number.

68964938 is a deficient number, since it is larger than the sum of its proper divisors (49368886).

68964938 is a wasteful number, since it uses less digits than its factorization.

68964938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517.

The product of its digits is 2239488, while the sum is 53.

The square root of 68964938 is about 8304.5131103515. The cubic root of 68964938 is about 410.0871082021.

The spelling of 68964938 in words is "sixty-eight million, nine hundred sixty-four thousand, nine hundred thirty-eight".