68569907 has 16 divisors (see below), whose sum is σ = 80754432. Its totient is φ = 57002400.

The previous prime is 68569889. The next prime is 68569927. The reversal of 68569907 is 70996586.

It is not a de Polignac number, because 68569907 - 2²² = 64375603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68569927) 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, 46532 + ... + 47982.

It is an arithmetic number, because the mean of its divisors is an integer number (5047152).

Almost surely, 2^68569907 is an apocalyptic number.

68569907 is a deficient number, since it is larger than the sum of its proper divisors (12184525).

68569907 is a wasteful number, since it uses less digits than its factorization.

68569907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 68569907 is about 8280.6948379952. The cubic root of 68569907 is about 409.3026157746.

The spelling of 68569907 in words is "sixty-eight million, five hundred sixty-nine thousand, nine hundred seven".