76904231 has 4 divisors (see below), whose sum is σ = 77830872. Its totient is φ = 75977592.

The previous prime is 76904221. The next prime is 76904239. The reversal of 76904231 is 13240967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13240967 = 19 ⋅696893.

It is a cyclic number.

It is not a de Polignac number, because 76904231 - 2¹⁰ = 76903207 is a prime.

It is a super-2 number, since 2×76904231² = 11828521491402722, 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 (76904239) 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, 463196 + ... + 463361.

It is an arithmetic number, because the mean of its divisors is an integer number (19457718).

Almost surely, 2^76904231 is an apocalyptic number.

76904231 is a deficient number, since it is larger than the sum of its proper divisors (926641).

76904231 is an equidigital number, since it uses as much as digits as its factorization.

76904231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926640.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 76904231 is about 8769.5057443393. The cubic root of 76904231 is about 425.2556358246.

The spelling of 76904231 in words is "seventy-six million, nine hundred four thousand, two hundred thirty-one".