80974404 has 84 divisors (see below), whose sum is σ = 242873344. Its totient is φ = 23129712.

The previous prime is 80974393. The next prime is 80974423. The reversal of 80974404 is 40447908.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18429 + ... + 22395.

Almost surely, 2^80974404 is an apocalyptic number.

80974404 is a gapful number since it is divisible by the number (84) 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 80974404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121436672).

80974404 is an abundant number, since it is smaller than the sum of its proper divisors (161898940).

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

80974404 is a wasteful number, since it uses less digits than its factorization.

80974404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996 (or 3979 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 80974404 is about 8998.5778876442. The cubic root of 80974404 is about 432.6292912044.

The spelling of 80974404 in words is "eighty million, nine hundred seventy-four thousand, four hundred four".