7482537209 has 12 divisors (see below), whose sum is σ = 8705683188. Its totient is φ = 6412492800.

The previous prime is 7482537203. The next prime is 7482537211. The reversal of 7482537209 is 9027352847.

It is a happy number.

7482537209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1374333184 + 6108204025 = 37072^2 + 78155^2 .

It is not a de Polignac number, because 7482537209 - 2¹⁶ = 7482471673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7482537203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408569 + ... + 426489.

It is an arithmetic number, because the mean of its divisors is an integer number (725473599).

Almost surely, 2^7482537209 is an apocalyptic number.

It is an amenable number.

7482537209 is a deficient number, since it is larger than the sum of its proper divisors (1223145979).

7482537209 is a wasteful number, since it uses less digits than its factorization.

7482537209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26456 (or 26449 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 7482537209 is about 86501.6601516988. The cubic root of 7482537209 is about 1955.9134285067.

The spelling of 7482537209 in words is "seven billion, four hundred eighty-two million, five hundred thirty-seven thousand, two hundred nine".