74222784273 has 32 divisors (see below), whose sum is σ = 108454275072. Its totient is φ = 44778196800.

The previous prime is 74222784247. The next prime is 74222784283. The reversal of 74222784273 is 37248722247.

It is not a de Polignac number, because 74222784273 - 2¹⁰ = 74222783249 is a prime.

It is a super-2 number, since 2×74222784273² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (74222784283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6910015 + ... + 6920747.

It is an arithmetic number, because the mean of its divisors is an integer number (3389196096).

Almost surely, 2^74222784273 is an apocalyptic number.

It is an amenable number.

74222784273 is a deficient number, since it is larger than the sum of its proper divisors (34231490799).

74222784273 is a wasteful number, since it uses less digits than its factorization.

74222784273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11685.

The product of its digits is 2107392, while the sum is 48.

The spelling of 74222784273 in words is "seventy-four billion, two hundred twenty-two million, seven hundred eighty-four thousand, two hundred seventy-three".