72266689350 has 240 divisors, whose sum is σ = 204390489600. Its totient is φ = 18929272320.

The previous prime is 72266689343. The next prime is 72266689351. The reversal of 72266689350 is 5398666227.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72266689351) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 56063506 + ... + 56064794.

It is an arithmetic number, because the mean of its divisors is an integer number (851627040).

Almost surely, 2^72266689350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72266689350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102195244800).

72266689350 is an abundant number, since it is smaller than the sum of its proper divisors (132123800250).

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

72266689350 is a wasteful number, since it uses less digits than its factorization.

72266689350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 72266689350 in words is "seventy-two billion, two hundred sixty-six million, six hundred eighty-nine thousand, three hundred fifty".