7402213 has 8 divisors (see below), whose sum is σ = 9110528. Its totient is φ = 5856624.

The previous prime is 7402207. The next prime is 7402217. The reversal of 7402213 is 3122047.

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-7402213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7402217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40581 + ... + 40762.

It is an arithmetic number, because the mean of its divisors is an integer number (1138816).

Almost surely, 2^7402213 is an apocalyptic number.

It is an amenable number.

7402213 is a deficient number, since it is larger than the sum of its proper divisors (1708315).

7402213 is a wasteful number, since it uses less digits than its factorization.

7402213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81363.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 7402213 is about 2720.7008288307. The cubic root of 7402213 is about 194.8889396076. Note that the first 3 decimals are identical.

The spelling of 7402213 in words is "seven million, four hundred two thousand, two hundred thirteen".