73881763344 has 45 divisors (see below), whose sum is σ = 206775452559. Its totient is φ = 24626167200.

The previous prime is 73881763301. The next prime is 73881763381. The reversal of 73881763344 is 44336718837.

The square root of 73881763344 is 271812.

It is a perfect power (a square), and thus also a powerful 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, 3250419 + ... + 3273069.

Almost surely, 2^73881763344 is an apocalyptic number.

73881763344 is the 271812-nd square number.

It is an amenable number.

73881763344 is an abundant number, since it is smaller than the sum of its proper divisors (132893689215).

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

73881763344 is an frugal number, since it uses more digits than its factorization.

73881763344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45316 (or 22656 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

It can be divided in two parts, 73881 and 763344, that added together give a square (837225 = 915²).

The spelling of 73881763344 in words is "seventy-three billion, eight hundred eighty-one million, seven hundred sixty-three thousand, three hundred forty-four".