7215995 has 16 divisors (see below), whose sum is σ = 8972640. Its totient is φ = 5568000.

The previous prime is 7215979. The next prime is 7216009. The reversal of 7215995 is 5995127.

It is not a de Polignac number, because 7215995 - 2⁴ = 7215979 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17795 + ... + 18195.

It is an arithmetic number, because the mean of its divisors is an integer number (560790).

Almost surely, 2^7215995 is an apocalyptic number.

7215995 is a deficient number, since it is larger than the sum of its proper divisors (1756645).

7215995 is a wasteful number, since it uses less digits than its factorization.

7215995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its digits is 28350, while the sum is 38.

The square root of 7215995 is about 2686.2604117993. The cubic root of 7215995 is about 193.2407619314.

The spelling of 7215995 in words is "seven million, two hundred fifteen thousand, nine hundred ninety-five".