74441189 has 4 divisors (see below), whose sum is σ = 74458560. Its totient is φ = 74423820.

The previous prime is 74441161. The next prime is 74441197. The reversal of 74441189 is 98114447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74441189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74441149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2852 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (18614640).

Almost surely, 2^74441189 is an apocalyptic number.

It is an amenable number.

74441189 is a deficient number, since it is larger than the sum of its proper divisors (17371).

74441189 is an equidigital number, since it uses as much as digits as its factorization.

74441189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17370.

The product of its digits is 32256, while the sum is 38.

The square root of 74441189 is about 8627.9307484472. The cubic root of 74441189 is about 420.6663440024. Note that the first 3 decimals are identical.

The spelling of 74441189 in words is "seventy-four million, four hundred forty-one thousand, one hundred eighty-nine".