7420304 has 20 divisors (see below), whose sum is σ = 14576076. Its totient is φ = 3658752.

The previous prime is 7420289. The next prime is 7420307. The reversal of 7420304 is 4030247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3810304 + 3610000 = 1952^2 + 1900^2 .

It is a super-2 number, since 2×7420304² = 110121822904832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009 + ... + 4344.

Almost surely, 2^7420304 is an apocalyptic number.

It is an amenable number.

7420304 is a deficient number, since it is larger than the sum of its proper divisors (7155772).

7420304 is a wasteful number, since it uses less digits than its factorization.

7420304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434 (or 6428 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 7420304 is about 2724.0234947592. The cubic root of 7420304 is about 195.0475798864.

The spelling of 7420304 in words is "seven million, four hundred twenty thousand, three hundred four".