80729295 has 16 divisors (see below), whose sum is σ = 129292800. Its totient is φ = 43013664.

The previous prime is 80729279. The next prime is 80729353. The reversal of 80729295 is 59292708.

It is not a de Polignac number, because 80729295 - 2⁴ = 80729279 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19062 + ... + 22908.

It is an arithmetic number, because the mean of its divisors is an integer number (8080800).

Almost surely, 2^80729295 is an apocalyptic number.

80729295 is a deficient number, since it is larger than the sum of its proper divisors (48563505).

80729295 is a wasteful number, since it uses less digits than its factorization.

80729295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 80729295 is about 8984.9482469294. The cubic root of 80729295 is about 432.1923279853.

The spelling of 80729295 in words is "eighty million, seven hundred twenty-nine thousand, two hundred ninety-five".