7287099072 has 112 divisors (see below), whose sum is σ = 21711903744. Its totient is φ = 2136960000.

The previous prime is 7287099049. The next prime is 7287099073. The reversal of 7287099072 is 2709907827.

It is a super-2 number, since 2×7287099072² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7287099073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9822 + ... + 121122.

Almost surely, 2^7287099072 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 7287099072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10855951872).

7287099072 is an abundant number, since it is smaller than the sum of its proper divisors (14424804672).

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

7287099072 is a wasteful number, since it uses less digits than its factorization.

7287099072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111358 (or 111348 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 51.

The square root of 7287099072 is about 85364.5070975051. The cubic root of 7287099072 is about 1938.7339910243.

The spelling of 7287099072 in words is "seven billion, two hundred eighty-seven million, ninety-nine thousand, seventy-two".