68679835 has 32 divisors (see below), whose sum is σ = 97228800. Its totient is φ = 45601920.

The previous prime is 68679833. The next prime is 68679841. The reversal of 68679835 is 53897686.

It is not a de Polignac number, because 68679835 - 2¹ = 68679833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68679833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162925 + ... + 163345.

It is an arithmetic number, because the mean of its divisors is an integer number (3038400).

Almost surely, 2^68679835 is an apocalyptic number.

68679835 is a deficient number, since it is larger than the sum of its proper divisors (28548965).

68679835 is a wasteful number, since it uses less digits than its factorization.

68679835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its digits is 2177280, while the sum is 52.

The square root of 68679835 is about 8287.3297870907. The cubic root of 68679835 is about 409.5212237973.

The spelling of 68679835 in words is "sixty-eight million, six hundred seventy-nine thousand, eight hundred thirty-five".