74273713821856 has 24 divisors (see below), whose sum is σ = 146232565575264. Its totient is φ = 37135284469440.

The previous prime is 74273713821829. The next prime is 74273713821859. The reversal of 74273713821856 is 65812831737247.

It is not an unprimeable number, because it can be changed into a prime (74273713821859) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48371050 + ... + 49882921.

It is an arithmetic number, because the mean of its divisors is an integer number (6093023565636).

Almost surely, 2^{74273713821856} is an apocalyptic number.

It is an amenable number.

74273713821856 is a deficient number, since it is larger than the sum of its proper divisors (71958851753408).

74273713821856 is a wasteful number, since it uses less digits than its factorization.

74273713821856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98277604 (or 98277596 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 64.

The spelling of 74273713821856 in words is "seventy-four trillion, two hundred seventy-three billion, seven hundred thirteen million, eight hundred twenty-one thousand, eight hundred fifty-six".