74458942 has 4 divisors (see below), whose sum is σ = 111688416. Its totient is φ = 37229470.

The previous prime is 74458939. The next prime is 74458961. The reversal of 74458942 is 24985447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24985447 = 2207 ⋅11321.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18614734 + ... + 18614737.

It is an arithmetic number, because the mean of its divisors is an integer number (27922104).

Almost surely, 2^74458942 is an apocalyptic number.

74458942 is a deficient number, since it is larger than the sum of its proper divisors (37229474).

74458942 is a wasteful number, since it uses less digits than its factorization.

74458942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37229473.

The product of its digits is 322560, while the sum is 43.

The square root of 74458942 is about 8628.9594969498. The cubic root of 74458942 is about 420.6997820140.

The spelling of 74458942 in words is "seventy-four million, four hundred fifty-eight thousand, nine hundred forty-two".