7040330 has 32 divisors (see below), whose sum is σ = 14307840. Its totient is φ = 2470720.

The previous prime is 7040321. The next prime is 7040353. The reversal of 7040330 is 330407.

It is a junction number, because it is equal to n+sod(n) for n = 7040299 and 7040308.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2087 + ... + 4293.

It is an arithmetic number, because the mean of its divisors is an integer number (447120).

Almost surely, 2^7040330 is an apocalyptic number.

7040330 is an abundant number, since it is smaller than the sum of its proper divisors (7267510).

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

7040330 is a wasteful number, since it uses less digits than its factorization.

7040330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 7040330 is about 2653.3620182704. The cubic root of 7040330 is about 191.6597888731.

Adding to 7040330 its reverse (330407), we get a palindrome (7370737).

The spelling of 7040330 in words is "seven million, forty thousand, three hundred thirty".