75325091 has 4 divisors (see below), whose sum is σ = 75357384. Its totient is φ = 75292800.

The previous prime is 75325087. The next prime is 75325099. The reversal of 75325091 is 19052357.

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 75325091 - 2² = 75325087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75325099) 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, 12350 + ... + 17411.

It is an arithmetic number, because the mean of its divisors is an integer number (18839346).

Almost surely, 2^75325091 is an apocalyptic number.

75325091 is a deficient number, since it is larger than the sum of its proper divisors (32293).

75325091 is a wasteful number, since it uses less digits than its factorization.

75325091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32292.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 75325091 is about 8679.0028805157. The cubic root of 75325091 is about 422.3247707693.

The spelling of 75325091 in words is "seventy-five million, three hundred twenty-five thousand, ninety-one".