74134423 has 12 divisors (see below), whose sum is σ = 83578824. Its totient is φ = 65211600.

The previous prime is 74134391. The next prime is 74134427. The reversal of 74134423 is 32443147.

It is not a de Polignac number, because 74134423 - 2⁵ = 74134391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74134391 and 74134400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74134427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7065 + ... + 14077.

It is an arithmetic number, because the mean of its divisors is an integer number (6964902).

Almost surely, 2^74134423 is an apocalyptic number.

74134423 is a deficient number, since it is larger than the sum of its proper divisors (9444401).

74134423 is a wasteful number, since it uses less digits than its factorization.

74134423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086 (or 7055 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 74134423 is about 8610.1349002208. The cubic root of 74134423 is about 420.0877046623.

The spelling of 74134423 in words is "seventy-four million, one hundred thirty-four thousand, four hundred twenty-three".