80637373 has 4 divisors (see below), whose sum is σ = 80760028. Its totient is φ = 80514720.

The previous prime is 80637367. The next prime is 80637391. The reversal of 80637373 is 37373608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47032164 + 33605209 = 6858^2 + 5797^2 .

It is a cyclic number.

It is not a de Polignac number, because 80637373 - 2⁹ = 80636861 is a prime.

It is a super-2 number, since 2×80637373² = 13004771848682258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80637353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60336 + ... + 61657.

It is an arithmetic number, because the mean of its divisors is an integer number (20190007).

Almost surely, 2^80637373 is an apocalyptic number.

It is an amenable number.

80637373 is a deficient number, since it is larger than the sum of its proper divisors (122655).

80637373 is a wasteful number, since it uses less digits than its factorization.

80637373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122654.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 80637373 is about 8979.8314572157. The cubic root of 80637373 is about 432.0282278223.

The spelling of 80637373 in words is "eighty million, six hundred thirty-seven thousand, three hundred seventy-three".