68860631 has 6 divisors (see below), whose sum is σ = 80103240. Its totient is φ = 59023356.

The previous prime is 68860573. The next prime is 68860633. The reversal of 68860631 is 13606886.

It is not a de Polignac number, because 68860631 - 2¹⁰ = 68859607 is a prime.

It is a super-2 number, since 2×68860631² = 9483573003436322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68860633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 702611 + ... + 702708.

It is an arithmetic number, because the mean of its divisors is an integer number (13350540).

Almost surely, 2^68860631 is an apocalyptic number.

68860631 is a deficient number, since it is larger than the sum of its proper divisors (11242609).

68860631 is a wasteful number, since it uses less digits than its factorization.

68860631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405333 (or 1405326 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 68860631 is about 8298.2305945304. The cubic root of 68860631 is about 409.8802565246.

The spelling of 68860631 in words is "sixty-eight million, eight hundred sixty thousand, six hundred thirty-one".