74173423 has 2 divisors, whose sum is σ = 74173424. Its totient is φ = 74173422.

The previous prime is 74173399. The next prime is 74173433. The reversal of 74173423 is 32437147.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74173423 - 2⁵ = 74173391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74173433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37086711 + 37086712.

It is an arithmetic number, because the mean of its divisors is an integer number (37086712).

Almost surely, 2^74173423 is an apocalyptic number.

74173423 is a deficient number, since it is larger than the sum of its proper divisors (1).

74173423 is an equidigital number, since it uses as much as digits as its factorization.

74173423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 31.

The square root of 74173423 is about 8612.3993753193. The cubic root of 74173423 is about 420.1613571245.

The spelling of 74173423 in words is "seventy-four million, one hundred seventy-three thousand, four hundred twenty-three".