74174142 has 24 divisors (see below), whose sum is σ = 172569096. Its totient is φ = 21192528.

The previous prime is 74174117. The next prime is 74174143. The reversal of 74174142 is 24147147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74174143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125853 + ... + 126440.

It is an arithmetic number, because the mean of its divisors is an integer number (7190379).

Almost surely, 2^74174142 is an apocalyptic number.

74174142 is an abundant number, since it is smaller than the sum of its proper divisors (98394954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74174142 is a wasteful number, since it uses less digits than its factorization.

74174142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252312 (or 252305 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 74174142 is about 8612.4411173604. The cubic root of 74174142 is about 420.1627147313.

The spelling of 74174142 in words is "seventy-four million, one hundred seventy-four thousand, one hundred forty-two".