68723967 has 16 divisors (see below), whose sum is σ = 100356480. Its totient is φ = 41573472.

The previous prime is 68723957. The next prime is 68723971. The reversal of 68723967 is 76932786.

It is not a de Polignac number, because 68723967 - 2⁶ = 68723903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68723927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12633 + ... + 17234.

It is an arithmetic number, because the mean of its divisors is an integer number (6272280).

Almost surely, 2^68723967 is an apocalyptic number.

68723967 is a deficient number, since it is larger than the sum of its proper divisors (31632513).

68723967 is a wasteful number, since it uses less digits than its factorization.

68723967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29942.

The product of its digits is 762048, while the sum is 48.

The square root of 68723967 is about 8289.9919782832. The cubic root of 68723967 is about 409.6089211587.

The spelling of 68723967 in words is "sixty-eight million, seven hundred twenty-three thousand, nine hundred sixty-seven".