74813737442 has 8 divisors (see below), whose sum is σ = 112224827100. Its totient is φ = 37405461744.

The previous prime is 74813737417. The next prime is 74813737447. The reversal of 74813737442 is 24473731847.

It is a Cunningham number, because it is equal to 273521²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 74813737441 + 1 = 273521^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (74813737447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635717 + ... + 744152.

Almost surely, 2^74813737442 is an apocalyptic number.

74813737442 is a deficient number, since it is larger than the sum of its proper divisors (37411089658).

74813737442 is a wasteful number, since it uses less digits than its factorization.

74813737442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406980.

The product of its digits is 3161088, while the sum is 50.

The spelling of 74813737442 in words is "seventy-four billion, eight hundred thirteen million, seven hundred thirty-seven thousand, four hundred forty-two".