76312631 has 8 divisors (see below), whose sum is σ = 78058944. Its totient is φ = 74571520.

The previous prime is 76312627. The next prime is 76312637. The reversal of 76312631 is 13621367.

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 76312631 - 2² = 76312627 is a prime.

It is a super-3 number, since 3×76312631³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76312594 and 76312603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76312637) 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, 55391 + ... + 56751.

It is an arithmetic number, because the mean of its divisors is an integer number (9757368).

Almost surely, 2^76312631 is an apocalyptic number.

76312631 is a deficient number, since it is larger than the sum of its proper divisors (1746313).

76312631 is a wasteful number, since it uses less digits than its factorization.

76312631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601.

The product of its digits is 4536, while the sum is 29.

The square root of 76312631 is about 8735.7101027907. The cubic root of 76312631 is about 424.1623751383.

Adding to 76312631 its reverse (13621367), we get a palindrome (89933998).

The spelling of 76312631 in words is "seventy-six million, three hundred twelve thousand, six hundred thirty-one".