74271923 has 4 divisors (see below), whose sum is σ = 81023928. Its totient is φ = 67519920.

The previous prime is 74271919. The next prime is 74271937. The reversal of 74271923 is 32917247.

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 74271923 - 2² = 74271919 is a prime.

It is a super-2 number, since 2×74271923² = 11032637092235858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74271983) 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, 3375986 + ... + 3376007.

It is an arithmetic number, because the mean of its divisors is an integer number (20255982).

Almost surely, 2^74271923 is an apocalyptic number.

74271923 is a deficient number, since it is larger than the sum of its proper divisors (6752005).

74271923 is a wasteful number, since it uses less digits than its factorization.

74271923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752004.

The product of its digits is 21168, while the sum is 35.

The square root of 74271923 is about 8618.1159774048. The cubic root of 74271923 is about 420.3472619306.

The spelling of 74271923 in words is "seventy-four million, two hundred seventy-one thousand, nine hundred twenty-three".