74884689 has 32 divisors (see below), whose sum is σ = 122428800. Its totient is φ = 44858880.

The previous prime is 74884657. The next prime is 74884703. The reversal of 74884689 is 98648847.

It is not a de Polignac number, because 74884689 - 2⁵ = 74884657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74884639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25017 + ... + 27849.

It is an arithmetic number, because the mean of its divisors is an integer number (3825900).

Almost surely, 2^74884689 is an apocalyptic number.

It is an amenable number.

74884689 is a deficient number, since it is larger than the sum of its proper divisors (47544111).

74884689 is a wasteful number, since it uses less digits than its factorization.

74884689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942 (or 2936 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 74884689 is about 8653.5939932493. The cubic root of 74884689 is about 421.5000949836.

The spelling of 74884689 in words is "seventy-four million, eight hundred eighty-four thousand, six hundred eighty-nine".