7040380 has 24 divisors (see below), whose sum is σ = 15655248. Its totient is φ = 2650368.

The previous prime is 7040353. The next prime is 7040381. The reversal of 7040380 is 830407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10014 + ... + 10693.

It is an arithmetic number, because the mean of its divisors is an integer number (652302).

Almost surely, 2^7040380 is an apocalyptic number.

It is an amenable number.

7040380 is an abundant number, since it is smaller than the sum of its proper divisors (8614868).

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

7040380 is a wasteful number, since it uses less digits than its factorization.

7040380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20733 (or 20731 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7040380 is about 2653.3714402624. The cubic root of 7040380 is about 191.6602425908.

Adding to 7040380 its reverse (830407), we get a palindrome (7870787).

The spelling of 7040380 in words is "seven million, forty thousand, three hundred eighty".