74734089 has 16 divisors (see below), whose sum is σ = 103445760. Its totient is φ = 47957760.

The previous prime is 74734069. The next prime is 74734109. The reversal of 74734089 is 98043747.

It is an interprime number because it is at equal distance from previous prime (74734069) and next prime (74734109).

It is not a de Polignac number, because 74734089 - 2⁸ = 74733833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74734089.

It is not an unprimeable number, because it can be changed into a prime (74734069) 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 15 ways as a sum of consecutive naturals, for example, 4257 + ... + 12945.

It is an arithmetic number, because the mean of its divisors is an integer number (6465360).

Almost surely, 2^74734089 is an apocalyptic number.

It is an amenable number.

74734089 is a deficient number, since it is larger than the sum of its proper divisors (28711671).

74734089 is a wasteful number, since it uses less digits than its factorization.

74734089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8800.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 74734089 is about 8644.8880270366. Note that the first 3 decimals coincide. The cubic root of 74734089 is about 421.2173468630.

The spelling of 74734089 in words is "seventy-four million, seven hundred thirty-four thousand, eighty-nine".