74424658 has 32 divisors (see below), whose sum is σ = 142433280. Its totient is φ = 28319760.

The previous prime is 74424617. The next prime is 74424671. The reversal of 74424658 is 85642447.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 74424658.

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 15 ways as a sum of consecutive naturals, for example, 1003 + ... + 12241.

It is an arithmetic number, because the mean of its divisors is an integer number (4451040).

Almost surely, 2^74424658 is an apocalyptic number.

74424658 is a deficient number, since it is larger than the sum of its proper divisors (68008622).

74424658 is a wasteful number, since it uses less digits than its factorization.

74424658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11302.

The product of its digits is 215040, while the sum is 40.

The square root of 74424658 is about 8626.9727019390. The cubic root of 74424658 is about 420.6352028638.

It can be divided in two parts, 7442 and 4658, that added together give a square (12100 = 110²).

The spelling of 74424658 in words is "seventy-four million, four hundred twenty-four thousand, six hundred fifty-eight".