68348631 has 8 divisors (see below), whose sum is σ = 98141680. Its totient is φ = 42060672.

The previous prime is 68348627. The next prime is 68348689. The reversal of 68348631 is 13684386.

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

It is not a de Polignac number, because 68348631 - 2² = 68348627 is a prime.

It is a super-2 number, since 2×68348631² = 9343070719148322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1752529 = 68348631 / (6 + 8 + 3 + 4 + 8 + 6 + 3 + 1).

It is a self number, because there is not a number n which added to its sum of digits gives 68348631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68348611) 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, 876226 + ... + 876303.

It is an arithmetic number, because the mean of its divisors is an integer number (12267710).

Almost surely, 2^68348631 is an apocalyptic number.

68348631 is a deficient number, since it is larger than the sum of its proper divisors (29793049).

68348631 is a wasteful number, since it uses less digits than its factorization.

68348631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752545.

The product of its digits is 82944, while the sum is 39.

The square root of 68348631 is about 8267.3230854975. The cubic root of 68348631 is about 408.8618663414.

The spelling of 68348631 in words is "sixty-eight million, three hundred forty-eight thousand, six hundred thirty-one".