80373456 has 30 divisors (see below), whose sum is σ = 224934450. Its totient is φ = 26791104.

The previous prime is 80373443. The next prime is 80373457. The reversal of 80373456 is 65437308.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 66977856 + 13395600 = 8184^2 + 3660^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 80373456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80373457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278931 + ... + 279218.

It is an arithmetic number, because the mean of its divisors is an integer number (7497815).

Almost surely, 2^80373456 is an apocalyptic number.

It is an amenable number.

80373456 is an abundant number, since it is smaller than the sum of its proper divisors (144560994).

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

80373456 is a wasteful number, since it uses less digits than its factorization.

80373456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558163 (or 558154 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 80373456 is about 8965.1244274689. The cubic root of 80373456 is about 431.5563861799.

The spelling of 80373456 in words is "eighty million, three hundred seventy-three thousand, four hundred fifty-six".