7213045 has 24 divisors (see below), whose sum is σ = 10260000. Its totient is φ = 4852512.

The previous prime is 7213033. The next prime is 7213061. The reversal of 7213045 is 5403127.

It is not a de Polignac number, because 7213045 - 2⁷ = 7212917 is a prime.

7213045 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14206 + ... + 14704.

It is an arithmetic number, because the mean of its divisors is an integer number (427500).

Almost surely, 2^7213045 is an apocalyptic number.

It is an amenable number.

7213045 is a deficient number, since it is larger than the sum of its proper divisors (3046955).

7213045 is a wasteful number, since it uses less digits than its factorization.

7213045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7213045 is about 2685.7112651959. The cubic root of 7213045 is about 193.2144251639.

The spelling of 7213045 in words is "seven million, two hundred thirteen thousand, forty-five".