74065542 has 8 divisors (see below), whose sum is σ = 148131096. Its totient is φ = 24688512.

The previous prime is 74065531. The next prime is 74065571. The reversal of 74065542 is 24556047.

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

74065542 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6172123 + ... + 6172134.

It is an arithmetic number, because the mean of its divisors is an integer number (18516387).

Almost surely, 2^74065542 is an apocalyptic number.

74065542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74065542 is a wasteful number, since it uses less digits than its factorization.

74065542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12344262.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 74065542 is about 8606.1339752528. The cubic root of 74065542 is about 419.9575580696.

The spelling of 74065542 in words is "seventy-four million, sixty-five thousand, five hundred forty-two".