74047923 has 6 divisors (see below), whose sum is σ = 106958124. Its totient is φ = 49365276.

The previous prime is 74047907. The next prime is 74047949. The reversal of 74047923 is 32974047.

It is not a de Polignac number, because 74047923 - 2⁴ = 74047907 is a prime.

It is a super-2 number, since 2×74047923² = 10966189801227858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74047993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4113765 + ... + 4113782.

It is an arithmetic number, because the mean of its divisors is an integer number (17826354).

Almost surely, 2^74047923 is an apocalyptic number.

74047923 is a deficient number, since it is larger than the sum of its proper divisors (32910201).

74047923 is a wasteful number, since it uses less digits than its factorization.

74047923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227553 (or 8227550 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 74047923 is about 8605.1102840115. The cubic root of 74047923 is about 419.9242550481.

The spelling of 74047923 in words is "seventy-four million, forty-seven thousand, nine hundred twenty-three".