76227631 has 4 divisors (see below), whose sum is σ = 78856200. Its totient is φ = 73599064.

The previous prime is 76227623. The next prime is 76227637. The reversal of 76227631 is 13672267.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76227631 - 2³ = 76227623 is a prime.

It is a super-2 number, since 2×76227631² = 11621303455744322, 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 (76227637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314241 + ... + 1314298.

It is an arithmetic number, because the mean of its divisors is an integer number (19714050).

Almost surely, 2^76227631 is an apocalyptic number.

76227631 is a deficient number, since it is larger than the sum of its proper divisors (2628569).

76227631 is a wasteful number, since it uses less digits than its factorization.

76227631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628568.

The product of its digits is 21168, while the sum is 34.

The square root of 76227631 is about 8730.8436591202. The cubic root of 76227631 is about 424.0048337381.

Adding to 76227631 its reverse (13672267), we get a palindrome (89899898).

The spelling of 76227631 in words is "seventy-six million, two hundred twenty-seven thousand, six hundred thirty-one".