7213044 has 24 divisors (see below), whose sum is σ = 16873920. Its totient is φ = 2398144.

The previous prime is 7213033. The next prime is 7213061. The reversal of 7213044 is 4403127.

It is a self number, because there is not a number n which added to its sum of digits gives 7213044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8512 + ... + 9320.

It is an arithmetic number, because the mean of its divisors is an integer number (703080).

Almost surely, 2^7213044 is an apocalyptic number.

It is an amenable number.

7213044 is an abundant number, since it is smaller than the sum of its proper divisors (9660876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7213044 is a wasteful number, since it uses less digits than its factorization.

7213044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 7213044 is about 2685.7110790254. The cubic root of 7213044 is about 193.2144162350.

The spelling of 7213044 in words is "seven million, two hundred thirteen thousand, forty-four".