80973340 has 48 divisors (see below), whose sum is σ = 202793472. Its totient is φ = 26554176.

The previous prime is 80973323. The next prime is 80973367. The reversal of 80973340 is 4337908.

It is a junction number, because it is equal to n+sod(n) for n = 80973296 and 80973305.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9354 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (4224864).

Almost surely, 2^80973340 is an apocalyptic number.

It is an amenable number.

80973340 is an abundant number, since it is smaller than the sum of its proper divisors (121820132).

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

80973340 is a wasteful number, since it uses less digits than its factorization.

80973340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25186 (or 25184 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 80973340 is about 8998.5187669972. The cubic root of 80973340 is about 432.6273962863.

The spelling of 80973340 in words is "eighty million, nine hundred seventy-three thousand, three hundred forty".