7271709056 has 64 divisors (see below), whose sum is σ = 14669786880. Its totient is φ = 3590189568.

The previous prime is 7271709031. The next prime is 7271709061. The reversal of 7271709056 is 6509071727.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×7271709056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7271708998 and 7271709016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3483245 + ... + 3485331.

It is an arithmetic number, because the mean of its divisors is an integer number (229215420).

Almost surely, 2^7271709056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7271709056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7334893440).

7271709056 is an abundant number, since it is smaller than the sum of its proper divisors (7398077824).

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

7271709056 is a wasteful number, since it uses less digits than its factorization.

7271709056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 44.

The square root of 7271709056 is about 85274.3165085479. The cubic root of 7271709056 is about 1937.3681902478.

The spelling of 7271709056 in words is "seven billion, two hundred seventy-one million, seven hundred nine thousand, fifty-six".