7213473 has 12 divisors (see below), whose sum is σ = 10503168. Its totient is φ = 4770360.

The previous prime is 7213471. The next prime is 7213477. The reversal of 7213473 is 3743127.

It is not a de Polignac number, because 7213473 - 2¹ = 7213471 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7213471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2013 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (875264).

Almost surely, 2^7213473 is an apocalyptic number.

It is an amenable number.

7213473 is a deficient number, since it is larger than the sum of its proper divisors (3289695).

7213473 is a wasteful number, since it uses less digits than its factorization.

7213473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444 (or 6441 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 7213473 is about 2685.7909449546. The cubic root of 7213473 is about 193.2182466724.

The spelling of 7213473 in words is "seven million, two hundred thirteen thousand, four hundred seventy-three".