73321223031266 has 12 divisors (see below), whose sum is σ = 127938052432278. Its totient is φ = 31423381299072.

The previous prime is 73321223031263. The next prime is 73321223031293. The reversal of 73321223031266 is 66213032212337.

It can be written as a sum of positive squares in only one way, i.e., 65005180131241 + 8316042900025 = 8062579^2 + 2883755^2 .

It is a super-2 number, since 2×73321223031266² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73321223031263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374087872511 + ... + 374087872706.

Almost surely, 2^{73321223031266} is an apocalyptic number.

73321223031266 is a deficient number, since it is larger than the sum of its proper divisors (54616829401012).

73321223031266 is a wasteful number, since it uses less digits than its factorization.

73321223031266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748175745233 (or 748175745226 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 41.

The spelling of 73321223031266 in words is "seventy-three trillion, three hundred twenty-one billion, two hundred twenty-three million, thirty-one thousand, two hundred sixty-six".