7072213 has 8 divisors (see below), whose sum is σ = 7292376. Its totient is φ = 6854400.

The previous prime is 7072193. The next prime is 7072243. The reversal of 7072213 is 3122707.

It can be written as a sum of positive squares in 4 ways, for example, as 508369 + 6563844 = 713^2 + 2562^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7072213 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 (7072243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6945 + ... + 7897.

It is an arithmetic number, because the mean of its divisors is an integer number (911547).

Almost surely, 2^7072213 is an apocalyptic number.

It is an amenable number.

7072213 is a deficient number, since it is larger than the sum of its proper divisors (220163).

7072213 is a wasteful number, since it uses less digits than its factorization.

7072213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 7072213 is about 2659.3632696569. The cubic root of 7072213 is about 191.9486715368.

The spelling of 7072213 in words is "seven million, seventy-two thousand, two hundred thirteen".