73266975528 has 64 divisors (see below), whose sum is σ = 190204502400. Its totient is φ = 23490458880.

The previous prime is 73266975521. The next prime is 73266975539. The reversal of 73266975528 is 82557966237.

It is not an unprimeable number, because it can be changed into a prime (73266975521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17083 + ... + 383178.

It is an arithmetic number, because the mean of its divisors is an integer number (2971945350).

Almost surely, 2^73266975528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73266975528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95102251200).

73266975528 is an abundant number, since it is smaller than the sum of its proper divisors (116937526872).

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

73266975528 is a wasteful number, since it uses less digits than its factorization.

73266975528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400562 (or 400558 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The spelling of 73266975528 in words is "seventy-three billion, two hundred sixty-six million, nine hundred seventy-five thousand, five hundred twenty-eight".