80726331 has 8 divisors (see below), whose sum is σ = 123011584. Its totient is φ = 46129320.

The previous prime is 80726323. The next prime is 80726333. The reversal of 80726331 is 13362708.

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

It is not a de Polignac number, because 80726331 - 2³ = 80726323 is a prime.

It is a super-2 number, since 2×80726331² = 13033481033443122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80726333) 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, 1922035 + ... + 1922076.

It is an arithmetic number, because the mean of its divisors is an integer number (15376448).

Almost surely, 2^80726331 is an apocalyptic number.

80726331 is a deficient number, since it is larger than the sum of its proper divisors (42285253).

80726331 is a wasteful number, since it uses less digits than its factorization.

80726331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844121.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 80726331 is about 8984.7833028961. The cubic root of 80726331 is about 432.1870385641.

The spelling of 80726331 in words is "eighty million, seven hundred twenty-six thousand, three hundred thirty-one".