68494918 has 8 divisors (see below), whose sum is σ = 105519312. Its totient is φ = 33321816.

The previous prime is 68494879. The next prime is 68494927. The reversal of 68494918 is 81949486.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462730 + ... + 462877.

It is an arithmetic number, because the mean of its divisors is an integer number (13189914).

Almost surely, 2^68494918 is an apocalyptic number.

68494918 is a deficient number, since it is larger than the sum of its proper divisors (37024394).

68494918 is a wasteful number, since it uses less digits than its factorization.

68494918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925646.

The product of its digits is 497664, while the sum is 49.

The square root of 68494918 is about 8276.1656580810. The cubic root of 68494918 is about 409.1533550136.

The spelling of 68494918 in words is "sixty-eight million, four hundred ninety-four thousand, nine hundred eighteen".