68799357 has 24 divisors (see below), whose sum is σ = 114791040. Its totient is φ = 39242880.

The previous prime is 68799349. The next prime is 68799373. The reversal of 68799357 is 75399786.

It is not a de Polignac number, because 68799357 - 2³ = 68799349 is a prime.

It is a super-2 number, since 2×68799357² = 9466703047226898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68799337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18757 + ... + 22122.

It is an arithmetic number, because the mean of its divisors is an integer number (4782960).

Almost surely, 2^68799357 is an apocalyptic number.

It is an amenable number.

68799357 is a deficient number, since it is larger than the sum of its proper divisors (45991683).

68799357 is a wasteful number, since it uses less digits than its factorization.

68799357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40913 (or 40910 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 68799357 is about 8294.5377809737. The cubic root of 68799357 is about 409.7586463705.

The spelling of 68799357 in words is "sixty-eight million, seven hundred ninety-nine thousand, three hundred fifty-seven".