75980091 has 16 divisors (see below), whose sum is σ = 110677248. Its totient is φ = 45981600.

The previous prime is 75980081. The next prime is 75980117. The reversal of 75980091 is 19008957.

It is a happy number.

It is not a de Polignac number, because 75980091 - 2⁶ = 75980027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75980071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30721 + ... + 33101.

It is an arithmetic number, because the mean of its divisors is an integer number (6917328).

Almost surely, 2^75980091 is an apocalyptic number.

75980091 is a deficient number, since it is larger than the sum of its proper divisors (34697157).

75980091 is a wasteful number, since it uses less digits than its factorization.

75980091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 75980091 is about 8716.6559528296. The cubic root of 75980091 is about 423.5453679094.

The spelling of 75980091 in words is "seventy-five million, nine hundred eighty thousand, ninety-one".