75790891 has 12 divisors (see below), whose sum is σ = 86184000. Its totient is φ = 66521840.

The previous prime is 75790859. The next prime is 75790951. The reversal of 75790891 is 19809757.

It is not a de Polignac number, because 75790891 - 2⁵ = 75790859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75790291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7291 + ... + 14308.

It is an arithmetic number, because the mean of its divisors is an integer number (7182000).

Almost surely, 2^75790891 is an apocalyptic number.

75790891 is a deficient number, since it is larger than the sum of its proper divisors (10393109).

75790891 is a wasteful number, since it uses less digits than its factorization.

75790891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21650 (or 21639 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 75790891 is about 8705.7964023977. The cubic root of 75790891 is about 423.1935152510.

The spelling of 75790891 in words is "seventy-five million, seven hundred ninety thousand, eight hundred ninety-one".