74140423 has 8 divisors (see below), whose sum is σ = 86798880. Its totient is φ = 61998720.

The previous prime is 74140421. The next prime is 74140433. The reversal of 74140423 is 32404147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74140423 - 2¹ = 74140421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74140421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128878 + ... + 129451.

It is an arithmetic number, because the mean of its divisors is an integer number (10849860).

Almost surely, 2^74140423 is an apocalyptic number.

74140423 is a deficient number, since it is larger than the sum of its proper divisors (12658457).

74140423 is a wasteful number, since it uses less digits than its factorization.

74140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258377.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 74140423 is about 8610.4833197678. The cubic root of 74140423 is about 420.0990374913.

The spelling of 74140423 in words is "seventy-four million, one hundred forty thousand, four hundred twenty-three".