7215870713 has 4 divisors (see below), whose sum is σ = 7448640768. Its totient is φ = 6983100660.

The previous prime is 7215870689. The next prime is 7215870731. The reversal of 7215870713 is 3170785127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7215870713 - 2¹⁴ = 7215854329 is a prime.

It is a super-2 number, since 2×7215870713² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7215870313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116384981 + ... + 116385042.

It is an arithmetic number, because the mean of its divisors is an integer number (1862160192).

Almost surely, 2^7215870713 is an apocalyptic number.

It is an amenable number.

7215870713 is a deficient number, since it is larger than the sum of its proper divisors (232770055).

7215870713 is a wasteful number, since it uses less digits than its factorization.

7215870713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232770054.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 7215870713 is about 84946.2813370897. The cubic root of 7215870713 is about 1932.3965247702.

The spelling of 7215870713 in words is "seven billion, two hundred fifteen million, eight hundred seventy thousand, seven hundred thirteen".