80473444 has 24 divisors (see below), whose sum is σ = 150799320. Its totient is φ = 37441536.

The previous prime is 80473441. The next prime is 80473453. The reversal of 80473444 is 44437408.

It can be written as a sum of positive squares in 4 ways, for example, as 12544 + 80460900 = 112^2 + 8970^2 .

It is a super-2 number, since 2×80473444² = 12951950378442272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (80473441) 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, 597 + ... + 12700.

It is an arithmetic number, because the mean of its divisors is an integer number (6283305).

Almost surely, 2^80473444 is an apocalyptic number.

It is an amenable number.

80473444 is a deficient number, since it is larger than the sum of its proper divisors (70325876).

80473444 is a wasteful number, since it uses less digits than its factorization.

80473444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407 (or 13405 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 80473444 is about 8970.6991923707. The cubic root of 80473444 is about 431.7352701911.

The spelling of 80473444 in words is "eighty million, four hundred seventy-three thousand, four hundred forty-four".