80723375 has 8 divisors (see below), whose sum is σ = 100742928. Its totient is φ = 64578600.

The previous prime is 80723371. The next prime is 80723389. The reversal of 80723375 is 57332708.

It is not a de Polignac number, because 80723375 - 2² = 80723371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80723371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322769 + ... + 323018.

It is an arithmetic number, because the mean of its divisors is an integer number (12592866).

Almost surely, 2^80723375 is an apocalyptic number.

80723375 is a deficient number, since it is larger than the sum of its proper divisors (20019553).

80723375 is an equidigital number, since it uses as much as digits as its factorization.

80723375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645802 (or 645792 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 80723375 is about 8984.6188010399. The cubic root of 80723375 is about 432.1817632903.

The spelling of 80723375 in words is "eighty million, seven hundred twenty-three thousand, three hundred seventy-five".