75325691 has 24 divisors (see below), whose sum is σ = 95803776. Its totient is φ = 58786560.

The previous prime is 75325669. The next prime is 75325693. The reversal of 75325691 is 19652357.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-75325691 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75325693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24365 + ... + 27281.

It is an arithmetic number, because the mean of its divisors is an integer number (3991824).

Almost surely, 2^75325691 is an apocalyptic number.

75325691 is a deficient number, since it is larger than the sum of its proper divisors (20478085).

75325691 is a wasteful number, since it uses less digits than its factorization.

75325691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979 (or 2972 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 75325691 is about 8679.0374466297. The cubic root of 75325691 is about 422.3258921053.

The spelling of 75325691 in words is "seventy-five million, three hundred twenty-five thousand, six hundred ninety-one".