74442446 has 16 divisors (see below), whose sum is σ = 123504864. Its totient is φ = 33429024.

The previous prime is 74442397. The next prime is 74442463. The reversal of 74442446 is 64424447.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37730 + ... + 39653.

It is an arithmetic number, because the mean of its divisors is an integer number (7719054).

Almost surely, 2^74442446 is an apocalyptic number.

74442446 is a deficient number, since it is larger than the sum of its proper divisors (49062418).

74442446 is a wasteful number, since it uses less digits than its factorization.

74442446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77435.

The product of its digits is 86016, while the sum is 35.

The square root of 74442446 is about 8628.0035929524. The cubic root of 74442446 is about 420.6687117535.

The spelling of 74442446 in words is "seventy-four million, four hundred forty-two thousand, four hundred forty-six".