75289689 has 16 divisors (see below), whose sum is σ = 114136000. Its totient is φ = 49025088.

The previous prime is 75289681. The next prime is 75289703. The reversal of 75289689 is 98698257.

It is a happy number.

It is not a de Polignac number, because 75289689 - 2³ = 75289681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75289681) 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, 31264 + ... + 33585.

It is an arithmetic number, because the mean of its divisors is an integer number (7133500).

Almost surely, 2^75289689 is an apocalyptic number.

It is an amenable number.

75289689 is a deficient number, since it is larger than the sum of its proper divisors (38846311).

75289689 is a wasteful number, since it uses less digits than its factorization.

75289689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64901 (or 64895 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 75289689 is about 8676.9631208159. The cubic root of 75289689 is about 422.2585976689.

The spelling of 75289689 in words is "seventy-five million, two hundred eighty-nine thousand, six hundred eighty-nine".