7213304 has 32 divisors (see below), whose sum is σ = 16368480. Its totient is φ = 2909184.

The previous prime is 7213303. The next prime is 7213307. The reversal of 7213304 is 4033127.

7213304 = T₂₀₅ + T₂₀₆ + ... + T₃₇₂.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7213303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837 + ... + 4740.

It is an arithmetic number, because the mean of its divisors is an integer number (511515).

Almost surely, 2^7213304 is an apocalyptic number.

It is an amenable number.

7213304 is an abundant number, since it is smaller than the sum of its proper divisors (9155176).

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

7213304 is a wasteful number, since it uses less digits than its factorization.

7213304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7607 (or 7603 counting only the distinct ones).

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

The square root of 7213304 is about 2685.7594829024. The cubic root of 7213304 is about 193.2167377303.

The spelling of 7213304 in words is "seven million, two hundred thirteen thousand, three hundred four".