72286052722 has 8 divisors (see below), whose sum is σ = 116769777516. Its totient is φ = 33362793552.

The previous prime is 72286052693. The next prime is 72286052723. The reversal of 72286052722 is 22725068227.

It can be written as a sum of positive squares in 2 ways, for example, as 71813816361 + 472236361 = 267981^2 + 21731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (72286052723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390116373 + ... + 1390116424.

Almost surely, 2^72286052722 is an apocalyptic number.

72286052722 is a deficient number, since it is larger than the sum of its proper divisors (44483724794).

72286052722 is a wasteful number, since it uses less digits than its factorization.

72286052722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780232812.

The product of its (nonzero) digits is 376320, while the sum is 43.

It can be divided in two parts, 7228605 and 2722, that added together give a palindrome (7231327).

The spelling of 72286052722 in words is "seventy-two billion, two hundred eighty-six million, fifty-two thousand, seven hundred twenty-two".