7215464 has 16 divisors (see below), whose sum is σ = 13759200. Its totient is φ = 3546352.

The previous prime is 7215457. The next prime is 7215479. The reversal of 7215464 is 4645127.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7172 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (859950).

Almost surely, 2^7215464 is an apocalyptic number.

It is an amenable number.

7215464 is a deficient number, since it is larger than the sum of its proper divisors (6543736).

7215464 is a wasteful number, since it uses less digits than its factorization.

7215464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15352 (or 15348 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 7215464 is about 2686.1615736958. The cubic root of 7215464 is about 193.2360218431.

The spelling of 7215464 in words is "seven million, two hundred fifteen thousand, four hundred sixty-four".