80752491 has 8 divisors (see below), whose sum is σ = 119633360. Its totient is φ = 53834976.

The previous prime is 80752453. The next prime is 80752513. The reversal of 80752491 is 19425708.

It is not a de Polignac number, because 80752491 - 2²² = 76558187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80752691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495390 + ... + 1495443.

It is an arithmetic number, because the mean of its divisors is an integer number (14954170).

Almost surely, 2^80752491 is an apocalyptic number.

80752491 is a deficient number, since it is larger than the sum of its proper divisors (38880869).

80752491 is a wasteful number, since it uses less digits than its factorization.

80752491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990842 (or 2990836 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 80752491 is about 8986.2389796844. The cubic root of 80752491 is about 432.2337180541.

The spelling of 80752491 in words is "eighty million, seven hundred fifty-two thousand, four hundred ninety-one".