73263331584 has 81 divisors (see below), whose sum is σ = 211273712923. Its totient is φ = 24416779776.

The previous prime is 73263331579. The next prime is 73263331601. The reversal of 73263331584 is 48513336237.

The square root of 73263331584 is 270672.

It is a perfect power (a square), and thus also a powerful number.

73263331584 is a `hidden beast` number, since 7 + 3 + 2 + 6 + 33 + 31 + 584 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12989437 + ... + 12995075.

Almost surely, 2^73263331584 is an apocalyptic number.

73263331584 is the 270672-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73263331584

73263331584 is an abundant number, since it is smaller than the sum of its proper divisors (138010381339).

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

73263331584 is an frugal number, since it uses more digits than its factorization.

73263331584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11300 (or 5644 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The spelling of 73263331584 in words is "seventy-three billion, two hundred sixty-three million, three hundred thirty-one thousand, five hundred eighty-four".