68627831 has 8 divisors (see below), whose sum is σ = 70963200. Its totient is φ = 66300120.

The previous prime is 68627813. The next prime is 68627851. The reversal of 68627831 is 13872686.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68627831 - 2²² = 64433527 is a prime.

It is a super-2 number, since 2×68627831² = 9419558375529122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68627851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20750 + ... + 23828.

It is an arithmetic number, because the mean of its divisors is an integer number (8870400).

Almost surely, 2^68627831 is an apocalyptic number.

68627831 is a deficient number, since it is larger than the sum of its proper divisors (2335369).

68627831 is a wasteful number, since it uses less digits than its factorization.

68627831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829.

The product of its digits is 96768, while the sum is 41.

The square root of 68627831 is about 8284.1916322596. The cubic root of 68627831 is about 409.4178352784.

The spelling of 68627831 in words is "sixty-eight million, six hundred twenty-seven thousand, eight hundred thirty-one".