76673731 has 8 divisors (see below), whose sum is σ = 80668224. Its totient is φ = 72780480.

The previous prime is 76673717. The next prime is 76673749. The reversal of 76673731 is 13737667.

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

It is not a de Polignac number, because 76673731 - 2⁵ = 76673699 is a prime.

It is a super-2 number, since 2×76673731² = 11757722050920722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76673711) 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, 23755 + ... + 26788.

It is an arithmetic number, because the mean of its divisors is an integer number (10083528).

Almost surely, 2^76673731 is an apocalyptic number.

76673731 is a deficient number, since it is larger than the sum of its proper divisors (3994493).

76673731 is a wasteful number, since it uses less digits than its factorization.

76673731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50621.

The product of its digits is 111132, while the sum is 40.

The square root of 76673731 is about 8756.3537502776. The cubic root of 76673731 is about 424.8303470499.

The spelling of 76673731 in words is "seventy-six million, six hundred seventy-three thousand, seven hundred thirty-one".