68727164 has 24 divisors (see below), whose sum is σ = 133009968. Its totient is φ = 30810240.

The previous prime is 68727163. The next prime is 68727179. The reversal of 68727164 is 46172786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68727163) 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, 7487 + ... + 13910.

It is an arithmetic number, because the mean of its divisors is an integer number (5542082).

Almost surely, 2^68727164 is an apocalyptic number.

It is an amenable number.

68727164 is a deficient number, since it is larger than the sum of its proper divisors (64282804).

68727164 is a wasteful number, since it uses less digits than its factorization.

68727164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21485 (or 21483 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 68727164 is about 8290.1847989053. The cubic root of 68727164 is about 409.6152726519.

The spelling of 68727164 in words is "sixty-eight million, seven hundred twenty-seven thousand, one hundred sixty-four".