74606642 has 16 divisors (see below), whose sum is σ = 129265632. Its totient is φ = 31917120.

The previous prime is 74606639. The next prime is 74606671. The reversal of 74606642 is 24660647.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 99368 + ... + 100115.

It is an arithmetic number, because the mean of its divisors is an integer number (8079102).

Almost surely, 2^74606642 is an apocalyptic number.

74606642 is a deficient number, since it is larger than the sum of its proper divisors (54658990).

74606642 is a wasteful number, since it uses less digits than its factorization.

74606642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199513.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 74606642 is about 8637.5136468778. The cubic root of 74606642 is about 420.9777710874.

The spelling of 74606642 in words is "seventy-four million, six hundred six thousand, six hundred forty-two".