7287385215 has 16 divisors (see below), whose sum is σ = 12719799936. Its totient is φ = 3533277600.

The previous prime is 7287385201. The next prime is 7287385219. The reversal of 7287385215 is 5125837827.

It is not a de Polignac number, because 7287385215 - 2⁴ = 7287385199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287385219) 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, 22082821 + ... + 22083150.

It is an arithmetic number, because the mean of its divisors is an integer number (794987496).

Almost surely, 2^7287385215 is an apocalyptic number.

7287385215 is a deficient number, since it is larger than the sum of its proper divisors (5432414721).

7287385215 is a wasteful number, since it uses less digits than its factorization.

7287385215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44165990.

The product of its digits is 940800, while the sum is 48.

The square root of 7287385215 is about 85366.1830879184. The cubic root of 7287385215 is about 1938.7593668240.

The spelling of 7287385215 in words is "seven billion, two hundred eighty-seven million, three hundred eighty-five thousand, two hundred fifteen".