74888089 has 2 divisors, whose sum is σ = 74888090. Its totient is φ = 74888088.

The previous prime is 74888087. The next prime is 74888117. The reversal of 74888089 is 98088847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59166864 + 15721225 = 7692^2 + 3965^2 .

It is an emirp because it is prime and its reverse (98088847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74888089 - 2¹ = 74888087 is a prime.

Together with 74888087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74888081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37444044 + 37444045.

It is an arithmetic number, because the mean of its divisors is an integer number (37444045).

Almost surely, 2^74888089 is an apocalyptic number.

It is an amenable number.

74888089 is a deficient number, since it is larger than the sum of its proper divisors (1).

74888089 is an equidigital number, since it uses as much as digits as its factorization.

74888089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 52.

The square root of 74888089 is about 8653.7904411882. The cubic root of 74888089 is about 421.5064740296.

The spelling of 74888089 in words is "seventy-four million, eight hundred eighty-eight thousand, eighty-nine".