7272522126656 has 28 divisors (see below), whose sum is σ = 14646805299168. Its totient is φ = 3581988508032.

The previous prime is 7272522126503. The next prime is 7272522126703. The reversal of 7272522126656 is 6566212252727.

It is a super-2 number, since 2×7272522126656² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7272522126598 and 7272522126607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848004356 + ... + 848012931.

It is an arithmetic number, because the mean of its divisors is an integer number (523100189256).

Almost surely, 2^{7272522126656} is an apocalyptic number.

It is an amenable number.

7272522126656 is an abundant number, since it is smaller than the sum of its proper divisors (7374283172512).

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

7272522126656 is a wasteful number, since it uses less digits than its factorization.

7272522126656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696017366 (or 1696017356 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 53.

The spelling of 7272522126656 in words is "seven trillion, two hundred seventy-two billion, five hundred twenty-two million, one hundred twenty-six thousand, six hundred fifty-six".