74691189 has 12 divisors (see below), whose sum is σ = 112578336. Its totient is φ = 47629032.

The previous prime is 74691187. The next prime is 74691229. The reversal of 74691189 is 98119647.

It is a happy number.

74691189 is a `hidden beast` number, since 7 + 469 + 1 + 189 = 666.

It is not a de Polignac number, because 74691189 - 2¹ = 74691187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74691181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180207 + ... + 180620.

It is an arithmetic number, because the mean of its divisors is an integer number (9381528).

Almost surely, 2^74691189 is an apocalyptic number.

It is an amenable number.

74691189 is a deficient number, since it is larger than the sum of its proper divisors (37887147).

74691189 is a wasteful number, since it uses less digits than its factorization.

74691189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360856 (or 360853 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 74691189 is about 8642.4064357099. The cubic root of 74691189 is about 421.1367335705.

The spelling of 74691189 in words is "seventy-four million, six hundred ninety-one thousand, one hundred eighty-nine".