68702631 has 8 divisors (see below), whose sum is σ = 92152704. Its totient is φ = 45527160.

The previous prime is 68702629. The next prime is 68702639. The reversal of 68702631 is 13620786.

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

It is not a de Polignac number, because 68702631 - 2¹ = 68702629 is a prime.

It is a super-2 number, since 2×68702631² = 9440103012644322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 68702592 and 68702601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68702639) 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 7 ways as a sum of consecutive naturals, for example, 68065 + ... + 69066.

It is an arithmetic number, because the mean of its divisors is an integer number (11519088).

Almost surely, 2^68702631 is an apocalyptic number.

68702631 is a deficient number, since it is larger than the sum of its proper divisors (23450073).

68702631 is a wasteful number, since it uses less digits than its factorization.

68702631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137301.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 68702631 is about 8288.7050255151. The cubic root of 68702631 is about 409.5665277944.

The spelling of 68702631 in words is "sixty-eight million, seven hundred two thousand, six hundred thirty-one".