76491331 has 8 divisors (see below), whose sum is σ = 87609600. Its totient is φ = 65420808.

The previous prime is 76491323. The next prime is 76491343. The reversal of 76491331 is 13319467.

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 76491331 - 2³ = 76491323 is a prime.

It is a super-2 number, since 2×76491331² = 11701847436303122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76491391) 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, 8431 + ... + 14968.

It is an arithmetic number, because the mean of its divisors is an integer number (10951200).

Almost surely, 2^76491331 is an apocalyptic number.

76491331 is a deficient number, since it is larger than the sum of its proper divisors (11118269).

76491331 is a wasteful number, since it uses less digits than its factorization.

76491331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23873.

The product of its digits is 13608, while the sum is 34.

The square root of 76491331 is about 8745.9322544827. The cubic root of 76491331 is about 424.4932016671.

The spelling of 76491331 in words is "seventy-six million, four hundred ninety-one thousand, three hundred thirty-one".