7211299680 has 288 divisors, whose sum is σ = 26633958624. Its totient is φ = 1766227968.

The previous prime is 7211299673. The next prime is 7211299681. The reversal of 7211299680 is 869921127.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7211299681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4248592 + ... + 4250288.

It is an arithmetic number, because the mean of its divisors is an integer number (92479023).

Almost surely, 2^7211299680 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 7211299680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13316979312).

7211299680 is an abundant number, since it is smaller than the sum of its proper divisors (19422658944).

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

7211299680 is a wasteful number, since it uses less digits than its factorization.

7211299680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 7211299680 is about 84919.3716415754. The cubic root of 7211299680 is about 1931.9884005836.

The spelling of 7211299680 in words is "seven billion, two hundred eleven million, two hundred ninety-nine thousand, six hundred eighty".