74684923 has 8 divisors (see below), whose sum is σ = 76086896. Its totient is φ = 73288800.

The previous prime is 74684917. The next prime is 74684957. The reversal of 74684923 is 32948647.

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 74684923 - 2¹⁷ = 74553851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74684923.

It is not an unprimeable number, because it can be changed into a prime (74684963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30733 + ... + 33073.

It is an arithmetic number, because the mean of its divisors is an integer number (9510862).

Almost surely, 2^74684923 is an apocalyptic number.

74684923 is a deficient number, since it is larger than the sum of its proper divisors (1401973).

74684923 is a wasteful number, since it uses less digits than its factorization.

74684923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its digits is 290304, while the sum is 43.

The square root of 74684923 is about 8642.0439133344. The cubic root of 74684923 is about 421.1249565608.

The spelling of 74684923 in words is "seventy-four million, six hundred eighty-four thousand, nine hundred twenty-three".