74943638422 has 8 divisors (see below), whose sum is σ = 113528482272. Its totient is φ = 37100811000.

The previous prime is 74943638309. The next prime is 74943638443. The reversal of 74943638422 is 22483634947.

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 74943638422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185503854 + ... + 185504257.

It is an arithmetic number, because the mean of its divisors is an integer number (14191060284).

Almost surely, 2^74943638422 is an apocalyptic number.

74943638422 is a deficient number, since it is larger than the sum of its proper divisors (38584843850).

74943638422 is a wasteful number, since it uses less digits than its factorization.

74943638422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371008214.

The product of its digits is 6967296, while the sum is 52.

The spelling of 74943638422 in words is "seventy-four billion, nine hundred forty-three million, six hundred thirty-eight thousand, four hundred twenty-two".