72202173713272 has 64 divisors (see below), whose sum is σ = 143402549480640. Its totient is φ = 33963275059200.

The previous prime is 72202173713261. The next prime is 72202173713279. The reversal of 72202173713272 is 27231737120227.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72202173713279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5271379128 + ... + 5271392824.

It is an arithmetic number, because the mean of its divisors is an integer number (2240664835635).

Almost surely, 2^{72202173713272} is an apocalyptic number.

It is an amenable number.

72202173713272 is a deficient number, since it is larger than the sum of its proper divisors (71200375767368).

72202173713272 is a wasteful number, since it uses less digits than its factorization.

72202173713272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27112 (or 27108 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 72202173713272 in words is "seventy-two trillion, two hundred two billion, one hundred seventy-three million, seven hundred thirteen thousand, two hundred seventy-two".