68741631 has 12 divisors (see below), whose sum is σ = 113478352. Its totient is φ = 39280896.

The previous prime is 68741627. The next prime is 68741653. The reversal of 68741631 is 13614786.

It is not a de Polignac number, because 68741631 - 2² = 68741627 is a prime.

It is a super-2 number, since 2×68741631² = 9450823665080322, 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 (68741611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545506 + ... + 545631.

Almost surely, 2^68741631 is an apocalyptic number.

68741631 is a deficient number, since it is larger than the sum of its proper divisors (44736721).

68741631 is a wasteful number, since it uses less digits than its factorization.

68741631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091150 (or 1091147 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 68741631 is about 8291.0572908405. The cubic root of 68741631 is about 409.6440118386.

The spelling of 68741631 in words is "sixty-eight million, seven hundred forty-one thousand, six hundred thirty-one".