74364189 has 4 divisors (see below), whose sum is σ = 99152256. Its totient is φ = 49576124.

The previous prime is 74364187. The next prime is 74364203. The reversal of 74364189 is 98146347.

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.

It is a cyclic number.

It is not a de Polignac number, because 74364189 - 2¹ = 74364187 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74364189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74364181) 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, 12394029 + ... + 12394034.

It is an arithmetic number, because the mean of its divisors is an integer number (24788064).

Almost surely, 2^74364189 is an apocalyptic number.

It is an amenable number.

74364189 is a deficient number, since it is larger than the sum of its proper divisors (24788067).

74364189 is a wasteful number, since it uses less digits than its factorization.

74364189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24788066.

The product of its digits is 145152, while the sum is 42.

The square root of 74364189 is about 8623.4673420846. The cubic root of 74364189 is about 420.5212519121.

The spelling of 74364189 in words is "seventy-four million, three hundred sixty-four thousand, one hundred eighty-nine".