7227749984 has 96 divisors (see below), whose sum is σ = 17648015616. Its totient is φ = 2837352960.

The previous prime is 7227749951. The next prime is 7227749999. The reversal of 7227749984 is 4899477227.

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, 371999 + ... + 390945.

It is an arithmetic number, because the mean of its divisors is an integer number (183833496).

Almost surely, 2^7227749984 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 7227749984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8824007808).

7227749984 is an abundant number, since it is smaller than the sum of its proper divisors (10420265632).

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

7227749984 is a wasteful number, since it uses less digits than its factorization.

7227749984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19108 (or 19100 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 59.

The square root of 7227749984 is about 85016.1748374978. The cubic root of 7227749984 is about 1933.4563588247.

The spelling of 7227749984 in words is "seven billion, two hundred twenty-seven million, seven hundred forty-nine thousand, nine hundred eighty-four".