72226367612 has 48 divisors (see below), whose sum is σ = 146345902080. Its totient is φ = 30551012352.

The previous prime is 72226367597. The next prime is 72226367617. The reversal of 72226367612 is 21676362227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72226367617) 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, 633689 + ... + 738927.

It is an arithmetic number, because the mean of its divisors is an integer number (3048872960).

Almost surely, 2^72226367612 is an apocalyptic number.

It is an amenable number.

72226367612 is an abundant number, since it is smaller than the sum of its proper divisors (74119534468).

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

72226367612 is a wasteful number, since it uses less digits than its factorization.

72226367612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105570 (or 105568 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The spelling of 72226367612 in words is "seventy-two billion, two hundred twenty-six million, three hundred sixty-seven thousand, six hundred twelve".