68964927 has 16 divisors (see below), whose sum is σ = 98161920. Its totient is φ = 42940800.

The previous prime is 68964913. The next prime is 68964947. The reversal of 68964927 is 72946986.

It is a happy number.

It is not a de Polignac number, because 68964927 - 2⁸ = 68964671 is a prime.

It is a super-2 number, since 2×68964927² = 9512322312230658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68964927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68964947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4474 + ... + 12567.

It is an arithmetic number, because the mean of its divisors is an integer number (6135120).

Almost surely, 2^68964927 is an apocalyptic number.

68964927 is a deficient number, since it is larger than the sum of its proper divisors (29196993).

68964927 is a wasteful number, since it uses less digits than its factorization.

68964927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17134.

The product of its digits is 1306368, while the sum is 51.

The square root of 68964927 is about 8304.5124480610. The cubic root of 68964927 is about 410.0870863989.

The spelling of 68964927 in words is "sixty-eight million, nine hundred sixty-four thousand, nine hundred twenty-seven".