7115215 has 8 divisors (see below), whose sum is σ = 8987760. Its totient is φ = 5392512.

The previous prime is 7115209. The next prime is 7115219. The reversal of 7115215 is 5125117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7115215 - 2⁵ = 7115183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7115219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37354 + ... + 37543.

It is an arithmetic number, because the mean of its divisors is an integer number (1123470).

Almost surely, 2^7115215 is an apocalyptic number.

7115215 is a deficient number, since it is larger than the sum of its proper divisors (1872545).

7115215 is a wasteful number, since it uses less digits than its factorization.

7115215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74921.

The product of its digits is 350, while the sum is 22.

The square root of 7115215 is about 2667.4360348469. The cubic root of 7115215 is about 192.3369282936.

The spelling of 7115215 in words is "seven million, one hundred fifteen thousand, two hundred fifteen".