76230391 has 4 divisors (see below), whose sum is σ = 76304800. Its totient is φ = 76155984.

The previous prime is 76230367. The next prime is 76230421. The reversal of 76230391 is 19303267.

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 76230391 - 2⁵ = 76230359 is a prime.

It is a super-2 number, since 2×76230391² = 11622145024025762, 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 (76230491) 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, 35646 + ... + 37723.

It is an arithmetic number, because the mean of its divisors is an integer number (19076200).

Almost surely, 2^76230391 is an apocalyptic number.

76230391 is a deficient number, since it is larger than the sum of its proper divisors (74409).

76230391 is a wasteful number, since it uses less digits than its factorization.

76230391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74408.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 76230391 is about 8731.0017180161. The cubic root of 76230391 is about 424.0099510391.

The spelling of 76230391 in words is "seventy-six million, two hundred thirty thousand, three hundred ninety-one".