7340213 has 6 divisors (see below), whose sum is σ = 7747254. Its totient is φ = 6953544.

The previous prime is 7340183. The next prime is 7340227. The reversal of 7340213 is 3120437.

It can be written as a sum of positive squares in only one way, i.e., 7279204 + 61009 = 2698^2 + 247^2 .

It is not a de Polignac number, because 7340213 - 2⁸ = 7339957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7340233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9806 + ... + 10527.

It is an arithmetic number, because the mean of its divisors is an integer number (1291209).

Almost surely, 2^7340213 is an apocalyptic number.

It is an amenable number.

7340213 is a deficient number, since it is larger than the sum of its proper divisors (407041).

7340213 is a wasteful number, since it uses less digits than its factorization.

7340213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20371 (or 20352 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7340213 is about 2709.2827464109. The cubic root of 7340213 is about 194.3432916298.

The spelling of 7340213 in words is "seven million, three hundred forty thousand, two hundred thirteen".