73421443266 has 16 divisors (see below), whose sum is σ = 148612078944. Its totient is φ = 24178949024.

The previous prime is 73421443261. The next prime is 73421443331. The reversal of 73421443266 is 66234412437.

It is not an unprimeable number, because it can be changed into a prime (73421443261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73715811 + ... + 73716806.

It is an arithmetic number, because the mean of its divisors is an integer number (9288254934).

Almost surely, 2^73421443266 is an apocalyptic number.

73421443266 is an abundant number, since it is smaller than the sum of its proper divisors (75190635678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73421443266 is a wasteful number, since it uses less digits than its factorization.

73421443266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147432705.

The product of its digits is 580608, while the sum is 42.

The spelling of 73421443266 in words is "seventy-three billion, four hundred twenty-one million, four hundred forty-three thousand, two hundred sixty-six".