7212740560 has 80 divisors (see below), whose sum is σ = 17151134400. Its totient is φ = 2820021248.

The previous prime is 7212740551. The next prime is 7212740617. The reversal of 7212740560 is 650472127.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×7212740560² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840612 + ... + 849148.

It is an arithmetic number, because the mean of its divisors is an integer number (214389180).

Almost surely, 2^7212740560 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 7212740560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8575567200).

7212740560 is an abundant number, since it is smaller than the sum of its proper divisors (9938393840).

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

7212740560 is a wasteful number, since it uses less digits than its factorization.

7212740560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788 (or 8782 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 7212740560 is about 84927.8550300195. The cubic root of 7212740560 is about 1932.1170680076.

The spelling of 7212740560 in words is "seven billion, two hundred twelve million, seven hundred forty thousand, five hundred sixty".