74644885442 has 32 divisors (see below), whose sum is σ = 116629858800. Its totient is φ = 35803468800.

The previous prime is 74644885429. The next prime is 74644885457. The reversal of 74644885442 is 24458844647.

It can be written as a sum of positive squares in 8 ways, for example, as 44342281 + 74600543161 = 6659^2 + 273131^2 .

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 15 ways as a sum of consecutive naturals, for example, 1292684 + ... + 1349192.

Almost surely, 2^74644885442 is an apocalyptic number.

74644885442 is a deficient number, since it is larger than the sum of its proper divisors (41984973358).

74644885442 is a wasteful number, since it uses less digits than its factorization.

74644885442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56822.

The product of its digits is 27525120, while the sum is 56.

The spelling of 74644885442 in words is "seventy-four billion, six hundred forty-four million, eight hundred eighty-five thousand, four hundred forty-two".