7210727056 has 135 divisors (see below), whose sum is σ = 16040345097. Its totient is φ = 3138495360.

The previous prime is 7210726967. The next prime is 7210727071. The reversal of 7210727056 is 6507270127.

The square root of 7210727056 is 84916.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1066675600 + 6144051456 = 32660^2 + 78384^2 .

It is a super-2 number, since 2×7210727056² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 101559501 + ... + 101559571.

Almost surely, 2^7210727056 is an apocalyptic number.

7210727056 is the 84916-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7210727056

7210727056 is an abundant number, since it is smaller than the sum of its proper divisors (8829618041).

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

7210727056 is a wasteful number, since it uses less digits than its factorization.

7210727056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 37.

The cubic root of 7210727056 is about 1931.9372617571.

The spelling of 7210727056 in words is "seven billion, two hundred ten million, seven hundred twenty-seven thousand, fifty-six".