74430923 has 8 divisors (see below), whose sum is σ = 89541120. Its totient is φ = 60440040.

The previous prime is 74430911. The next prime is 74430929. The reversal of 74430923 is 32903447.

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 74430923 - 2²⁰ = 73382347 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 74430923.

It is not an unprimeable number, because it can be changed into a prime (74430929) 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, 279683 + ... + 279948.

It is an arithmetic number, because the mean of its divisors is an integer number (11192640).

Almost surely, 2^74430923 is an apocalyptic number.

74430923 is a deficient number, since it is larger than the sum of its proper divisors (15110197).

74430923 is a wasteful number, since it uses less digits than its factorization.

74430923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559657.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 74430923 is about 8627.3357996545. The cubic root of 74430923 is about 420.6470054289.

The spelling of 74430923 in words is "seventy-four million, four hundred thirty thousand, nine hundred twenty-three".