7215730413 has 32 divisors (see below), whose sum is σ = 9969426432. Its totient is φ = 4639560000.

The previous prime is 7215730411. The next prime is 7215730451. The reversal of 7215730413 is 3140375127.

It is not a de Polignac number, because 7215730413 - 2¹ = 7215730411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215730411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8788543 + ... + 8789363.

It is an arithmetic number, because the mean of its divisors is an integer number (311544576).

Almost surely, 2^7215730413 is an apocalyptic number.

It is an amenable number.

7215730413 is a deficient number, since it is larger than the sum of its proper divisors (2753696019).

7215730413 is a wasteful number, since it uses less digits than its factorization.

7215730413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 7215730413 is about 84945.4555170552. The cubic root of 7215730413 is about 1932.3840006642.

The spelling of 7215730413 in words is "seven billion, two hundred fifteen million, seven hundred thirty thousand, four hundred thirteen".