76634231 has 4 divisors (see below), whose sum is σ = 76719264. Its totient is φ = 76549200.

The previous prime is 76634221. The next prime is 76634279. The reversal of 76634231 is 13243667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13243667 = 1297 ⋅10211.

It is a cyclic number.

It is not a de Polignac number, because 76634231 - 2²⁶ = 9525367 is a prime.

It is a super-2 number, since 2×76634231² = 11745610721922722, 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 (76634221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41150 + ... + 42971.

It is an arithmetic number, because the mean of its divisors is an integer number (19179816).

Almost surely, 2^76634231 is an apocalyptic number.

76634231 is a deficient number, since it is larger than the sum of its proper divisors (85033).

76634231 is an equidigital number, since it uses as much as digits as its factorization.

76634231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85032.

The product of its digits is 18144, while the sum is 32.

The square root of 76634231 is about 8754.0979546724. The cubic root of 76634231 is about 424.7573812463.

Adding to 76634231 its reverse (13243667), we get a palindrome (89877898).

The spelling of 76634231 in words is "seventy-six million, six hundred thirty-four thousand, two hundred thirty-one".