72083274199530 has 128 divisors (see below), whose sum is σ = 188984448829440. Its totient is φ = 17450914440960.

The previous prime is 72083274199529. The next prime is 72083274199537. The reversal of 72083274199530 is 3599147238027.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72083274199537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1602433419 + ... + 1602478401.

It is an arithmetic number, because the mean of its divisors is an integer number (1476441006480).

Almost surely, 2^{72083274199530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72083274199530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94492224414720).

72083274199530 is an abundant number, since it is smaller than the sum of its proper divisors (116901174629910).

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

72083274199530 is a wasteful number, since it uses less digits than its factorization.

72083274199530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51516.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 72083274199530 in words is "seventy-two trillion, eighty-three billion, two hundred seventy-four million, one hundred ninety-nine thousand, five hundred thirty".