80373505 has 8 divisors (see below), whose sum is σ = 96608232. Its totient is φ = 64192128.

The previous prime is 80373479. The next prime is 80373547. The reversal of 80373505 is 50537308.

It can be written as a sum of positive squares in 4 ways, for example, as 3214849 + 77158656 = 1793^2 + 8784^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80373505 - 2⁵ = 80373473 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 9942 + ... + 16111.

It is an arithmetic number, because the mean of its divisors is an integer number (12076029).

Almost surely, 2^80373505 is an apocalyptic number.

It is an amenable number.

80373505 is a deficient number, since it is larger than the sum of its proper divisors (16234727).

80373505 is a wasteful number, since it uses less digits than its factorization.

80373505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26675.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 80373505 is about 8965.1271602806. The cubic root of 80373505 is about 431.5564738799.

The spelling of 80373505 in words is "eighty million, three hundred seventy-three thousand, five hundred five".