7267898880 has 640 divisors, whose sum is σ = 28755302400. Its totient is φ = 1739612160.

The previous prime is 7267898849. The next prime is 7267898917. The reversal of 7267898880 is 888987627.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91998681 + ... + 91998759.

It is an arithmetic number, because the mean of its divisors is an integer number (44930160).

Almost surely, 2^7267898880 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 7267898880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14377651200).

7267898880 is an abundant number, since it is smaller than the sum of its proper divisors (21487403520).

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

7267898880 is an equidigital number, since it uses as much as digits as its factorization.

7267898880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 63.

The square root of 7267898880 is about 85251.9728803973. The cubic root of 7267898880 is about 1937.0297552081.

The spelling of 7267898880 in words is "seven billion, two hundred sixty-seven million, eight hundred ninety-eight thousand, eight hundred eighty".