7304004 has 18 divisors (see below), whose sum is σ = 18462990. Its totient is φ = 2434656.

The previous prime is 7303993. The next prime is 7304009. The reversal of 7304004 is 4004037.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 3617604 = 1920^2 + 1902^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (7304009) 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 5 ways as a sum of consecutive naturals, for example, 101409 + ... + 101480.

Almost surely, 2^7304004 is an apocalyptic number.

It is an amenable number.

7304004 is an abundant number, since it is smaller than the sum of its proper divisors (11158986).

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

7304004 is a wasteful number, since it uses less digits than its factorization.

7304004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202899 (or 202894 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7304004 is about 2702.5920890878. The cubic root of 7304004 is about 194.0232019580.

The spelling of 7304004 in words is "seven million, three hundred four thousand, four".