74730923 has 4 divisors (see below), whose sum is σ = 74931648. Its totient is φ = 74530200.

The previous prime is 74730913. The next prime is 74730937. The reversal of 74730923 is 32903747.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74730923 - 2⁴ = 74730907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74730913) 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, 99803 + ... + 100548.

It is an arithmetic number, because the mean of its divisors is an integer number (18732912).

Almost surely, 2^74730923 is an apocalyptic number.

74730923 is a deficient number, since it is larger than the sum of its proper divisors (200725).

74730923 is a wasteful number, since it uses less digits than its factorization.

74730923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200724.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 74730923 is about 8644.7049111002. The cubic root of 74730923 is about 421.2113986941.

The spelling of 74730923 in words is "seventy-four million, seven hundred thirty thousand, nine hundred twenty-three".