80713605 has 32 divisors (see below), whose sum is σ = 148506624. Its totient is φ = 36668736.

The previous prime is 80713573. The next prime is 80713609. The reversal of 80713605 is 50631708.

It is not a de Polignac number, because 80713605 - 2⁵ = 80713573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80713609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15234 + ... + 19836.

It is an arithmetic number, because the mean of its divisors is an integer number (4640832).

Almost surely, 2^80713605 is an apocalyptic number.

It is an amenable number.

80713605 is a deficient number, since it is larger than the sum of its proper divisors (67793019).

80713605 is a wasteful number, since it uses less digits than its factorization.

80713605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 80713605 is about 8984.0750776026. The cubic root of 80713605 is about 432.1643268448.

It can be divided in two parts, 80713 and 605, that added together give a palindrome (81318).

The spelling of 80713605 in words is "eighty million, seven hundred thirteen thousand, six hundred five".