74047342 has 16 divisors (see below), whose sum is σ = 118774512. Its totient is φ = 34499200.

The previous prime is 74047339. The next prime is 74047343. The reversal of 74047342 is 24374047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74047343) 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 7 ways as a sum of consecutive naturals, for example, 7348 + ... + 14215.

It is an arithmetic number, because the mean of its divisors is an integer number (7423407).

Almost surely, 2^74047342 is an apocalyptic number.

74047342 is a deficient number, since it is larger than the sum of its proper divisors (44727170).

74047342 is a wasteful number, since it uses less digits than its factorization.

74047342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21683.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 74047342 is about 8605.0765249357. The cubic root of 74047342 is about 419.9231567655.

The spelling of 74047342 in words is "seventy-four million, forty-seven thousand, three hundred forty-two".