74161589 has 8 divisors (see below), whose sum is σ = 75039360. Its totient is φ = 73288800.

The previous prime is 74161567. The next prime is 74161603. The reversal of 74161589 is 98516147.

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 74161589 - 2¹⁶ = 74096053 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 (74161519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34457 + ... + 36545.

It is an arithmetic number, because the mean of its divisors is an integer number (9379920).

Almost surely, 2^74161589 is an apocalyptic number.

It is an amenable number.

74161589 is a deficient number, since it is larger than the sum of its proper divisors (877771).

74161589 is a wasteful number, since it uses less digits than its factorization.

74161589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491.

The product of its digits is 60480, while the sum is 41.

The square root of 74161589 is about 8611.7123152135. The cubic root of 74161589 is about 420.1390110525.

The spelling of 74161589 in words is "seventy-four million, one hundred sixty-one thousand, five hundred eighty-nine".