74556842 has 8 divisors (see below), whose sum is σ = 111873636. Its totient is φ = 37265632.

The previous prime is 74556821. The next prime is 74556919. The reversal of 74556842 is 24865547.

It can be written as a sum of positive squares in 2 ways, for example, as 42758521 + 31798321 = 6539^2 + 5639^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 74556842.

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 in 3 ways as a sum of consecutive naturals, for example, 4838 + ... + 13134.

Almost surely, 2^74556842 is an apocalyptic number.

74556842 is a deficient number, since it is larger than the sum of its proper divisors (37316794).

74556842 is a wasteful number, since it uses less digits than its factorization.

74556842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12792.

The product of its digits is 268800, while the sum is 41.

The square root of 74556842 is about 8634.6303916265. The cubic root of 74556842 is about 420.8840825596.

The spelling of 74556842 in words is "seventy-four million, five hundred fifty-six thousand, eight hundred forty-two".