75607489 has 4 divisors (see below), whose sum is σ = 76356180. Its totient is φ = 74858800.

The previous prime is 75607447. The next prime is 75607507. The reversal of 75607489 is 98470657.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98470657 = 101 ⋅974957.

It can be written as a sum of positive squares in 2 ways, for example, as 48650625 + 26956864 = 6975^2 + 5192^2 .

It is a cyclic number.

It is not a de Polignac number, because 75607489 - 2¹⁵ = 75574721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75607409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374194 + ... + 374395.

It is an arithmetic number, because the mean of its divisors is an integer number (19089045).

Almost surely, 2^75607489 is an apocalyptic number.

It is an amenable number.

75607489 is a deficient number, since it is larger than the sum of its proper divisors (748691).

75607489 is a wasteful number, since it uses less digits than its factorization.

75607489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748690.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 75607489 is about 8695.2566954633. The cubic root of 75607489 is about 422.8518856904.

The spelling of 75607489 in words is "seventy-five million, six hundred seven thousand, four hundred eighty-nine".