7215973 has 8 divisors (see below), whose sum is σ = 7713792. Its totient is φ = 6726336.

The previous prime is 7215961. The next prime is 7215979. The reversal of 7215973 is 3795127.

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 7215973 - 2⁵ = 7215941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215979) 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, 165 + ... + 3802.

It is an arithmetic number, because the mean of its divisors is an integer number (964224).

Almost surely, 2^7215973 is an apocalyptic number.

It is an amenable number.

7215973 is a deficient number, since it is larger than the sum of its proper divisors (497819).

7215973 is a wasteful number, since it uses less digits than its factorization.

7215973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091.

The product of its digits is 13230, while the sum is 34.

The square root of 7215973 is about 2686.2563168842. The cubic root of 7215973 is about 193.2405655482.

The spelling of 7215973 in words is "seven million, two hundred fifteen thousand, nine hundred seventy-three".