68696929 has 16 divisors (see below), whose sum is σ = 83837952. Its totient is φ = 55007568.

The previous prime is 68696917. The next prime is 68696933. The reversal of 68696929 is 92969686.

It is not a de Polignac number, because 68696929 - 2⁹ = 68696417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68696929.

It is not an unprimeable number, because it can be changed into a prime (68696959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962 + ... + 11884.

It is an arithmetic number, because the mean of its divisors is an integer number (5239872).

Almost surely, 2^68696929 is an apocalyptic number.

It is an amenable number.

68696929 is a deficient number, since it is larger than the sum of its proper divisors (15141023).

68696929 is a wasteful number, since it uses less digits than its factorization.

68696929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996.

The product of its digits is 2519424, while the sum is 55.

The square root of 68696929 is about 8288.3610563247. The cubic root of 68696929 is about 409.5551967730. Note that the first 3 decimals are identical.

The spelling of 68696929 in words is "sixty-eight million, six hundred ninety-six thousand, nine hundred twenty-nine".