76392131 has 8 divisors (see below), whose sum is σ = 80724480. Its totient is φ = 72144072.

The previous prime is 76392097. The next prime is 76392139. The reversal of 76392131 is 13129367.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76392131 is a prime.

It is a super-2 number, since 2×76392131² = 11671515357442322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76392139) 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 7 ways as a sum of consecutive naturals, for example, 19205 + ... + 22838.

It is an arithmetic number, because the mean of its divisors is an integer number (10090560).

Almost surely, 2^76392131 is an apocalyptic number.

76392131 is a deficient number, since it is larger than the sum of its proper divisors (4332349).

76392131 is a wasteful number, since it uses less digits than its factorization.

76392131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42145.

The product of its digits is 6804, while the sum is 32.

The square root of 76392131 is about 8740.2592066826. The cubic root of 76392131 is about 424.3096168437.

The spelling of 76392131 in words is "seventy-six million, three hundred ninety-two thousand, one hundred thirty-one".