80031672 has 128 divisors (see below), whose sum is σ = 260467200. Its totient is φ = 22291200.

The previous prime is 80031659. The next prime is 80031683. The reversal of 80031672 is 27613008.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61347 + ... + 62637.

It is an arithmetic number, because the mean of its divisors is an integer number (2034900).

Almost surely, 2^80031672 is an apocalyptic number.

80031672 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80031672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130233600).

80031672 is an abundant number, since it is smaller than the sum of its proper divisors (180435528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80031672 is a wasteful number, since it uses less digits than its factorization.

80031672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 80031672 is about 8946.0422534213. The cubic root of 80031672 is about 430.9437932170.

The spelling of 80031672 in words is "eighty million, thirty-one thousand, six hundred seventy-two".