76432331 has 4 divisors (see below), whose sum is σ = 76452600. Its totient is φ = 76412064.

The previous prime is 76432319. The next prime is 76432339. The reversal of 76432331 is 13323467.

It is a happy number.

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 76432331 - 2¹⁸ = 76170187 is a prime.

It is a super-2 number, since 2×76432331² = 11683802444187122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76432294 and 76432303.

It is not an unprimeable number, because it can be changed into a prime (76432339) 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, 2621 + ... + 12638.

It is an arithmetic number, because the mean of its divisors is an integer number (19113150).

Almost surely, 2^76432331 is an apocalyptic number.

76432331 is a deficient number, since it is larger than the sum of its proper divisors (20269).

76432331 is a wasteful number, since it uses less digits than its factorization.

76432331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20268.

The product of its digits is 9072, while the sum is 29.

The square root of 76432331 is about 8742.5586071813. The cubic root of 76432331 is about 424.3840322546.

Adding to 76432331 its reverse (13323467), we get a palindrome (89755798).

The spelling of 76432331 in words is "seventy-six million, four hundred thirty-two thousand, three hundred thirty-one".