73756526538244 has 81 divisors (see below), whose sum is σ = 150717687251061. Its totient is φ = 31552220135040.

The previous prime is 73756526538223. The next prime is 73756526538263. The reversal of 73756526538244 is 44283562565737.

It is a happy number.

The square root of 73756526538244 is 8588162.

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

It can be written as a sum of positive squares in only one way, i.e., 57422901284100 + 16333625254144 = 7577790^2 + 4041488^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73756526538244.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3211961107 + ... + 3211984069.

Almost surely, 2^{73756526538244} is an apocalyptic number.

73756526538244 is the 8588162-nd square number.

It is an amenable number.

73756526538244 is an abundant number, since it is smaller than the sum of its proper divisors (76961160712817).

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

73756526538244 is an equidigital number, since it uses as much as digits as its factorization.

73756526538244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45986 (or 22993 counting only the distinct ones).

The product of its digits is 1016064000, while the sum is 67.

The spelling of 73756526538244 in words is "seventy-three trillion, seven hundred fifty-six billion, five hundred twenty-six million, five hundred thirty-eight thousand, two hundred forty-four".