80075491 has 4 divisors (see below), whose sum is σ = 84785832. Its totient is φ = 75365152.

The previous prime is 80075477. The next prime is 80075521. The reversal of 80075491 is 19457008.

It is a happy number.

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 80075491 - 2⁵ = 80075459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80075461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2355145 + ... + 2355178.

It is an arithmetic number, because the mean of its divisors is an integer number (21196458).

Almost surely, 2^80075491 is an apocalyptic number.

80075491 is a deficient number, since it is larger than the sum of its proper divisors (4710341).

80075491 is a wasteful number, since it uses less digits than its factorization.

80075491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710340.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 80075491 is about 8948.4909901055. The cubic root of 80075491 is about 431.0224290881.

The spelling of 80075491 in words is "eighty million, seventy-five thousand, four hundred ninety-one".