74490089 has 8 divisors (see below), whose sum is σ = 79697280. Its totient is φ = 69411600.

The previous prime is 74490047. The next prime is 74490103. The reversal of 74490089 is 98009447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74490089 - 2²⁴ = 57712873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74490389) 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 7 ways as a sum of consecutive naturals, for example, 30977 + ... + 33294.

It is an arithmetic number, because the mean of its divisors is an integer number (9962160).

Almost surely, 2^74490089 is an apocalyptic number.

It is an amenable number.

74490089 is a deficient number, since it is larger than the sum of its proper divisors (5207191).

74490089 is a wasteful number, since it uses less digits than its factorization.

74490089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64351.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 74490089 is about 8630.7641029054. The cubic root of 74490089 is about 420.7584349622.

The spelling of 74490089 in words is "seventy-four million, four hundred ninety thousand, eighty-nine".