80372795 has 4 divisors (see below), whose sum is σ = 96447360. Its totient is φ = 64298232.

The previous prime is 80372779. The next prime is 80372797. The reversal of 80372795 is 59727308.

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

It is a cyclic number.

It is not a de Polignac number, because 80372795 - 2⁴ = 80372779 is a prime.

It is a super-2 number, since 2×80372795² = 12919572352224050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80372797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8037275 + ... + 8037284.

It is an arithmetic number, because the mean of its divisors is an integer number (24111840).

Almost surely, 2^80372795 is an apocalyptic number.

80372795 is a deficient number, since it is larger than the sum of its proper divisors (16074565).

80372795 is a wasteful number, since it uses less digits than its factorization.

80372795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16074564.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 80372795 is about 8965.0875623164. The cubic root of 80372795 is about 431.5552031211. Note that the first 3 decimals are identical.

The spelling of 80372795 in words is "eighty million, three hundred seventy-two thousand, seven hundred ninety-five".