76331 has 4 divisors (see below), whose sum is σ = 78432. Its totient is φ = 74232.

The previous prime is 76303. The next prime is 76333. The reversal of 76331 is 13367.

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 76331 - 2¹⁰ = 75307 is a prime.

It is a super-2 number, since 2×76331² = 11652843122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (76333) 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, 995 + ... + 1068.

It is an arithmetic number, because the mean of its divisors is an integer number (19608).

2⁷⁶³³¹ is an apocalyptic number.

76331 is a deficient number, since it is larger than the sum of its proper divisors (2101).

76331 is a wasteful number, since it uses less digits than its factorization.

76331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100.

The product of its digits is 378, while the sum is 20.

The square root of 76331 is about 276.2806544078. The cubic root of 76331 is about 42.4196405388.

Adding to 76331 its reverse (13367), we get a palindrome (89698).

It can be divided in two parts, 763 and 31, that multiplied together give a triangular number (23653 = T₂₁₇).

The spelling of 76331 in words is "seventy-six thousand, three hundred thirty-one".