7140940 has 12 divisors (see below), whose sum is σ = 14996016. Its totient is φ = 2856368.

The previous prime is 7140937. The next prime is 7140949. The reversal of 7140940 is 490417.

It is not an unprimeable number, because it can be changed into a prime (7140949) 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 3 ways as a sum of consecutive naturals, for example, 178504 + ... + 178543.

It is an arithmetic number, because the mean of its divisors is an integer number (1249668).

Almost surely, 2^7140940 is an apocalyptic number.

It is an amenable number.

7140940 is an abundant number, since it is smaller than the sum of its proper divisors (7855076).

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

7140940 is a wasteful number, since it uses less digits than its factorization.

7140940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357056 (or 357054 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7140940 is about 2672.2537304680. The cubic root of 7140940 is about 192.5684470150.

The spelling of 7140940 in words is "seven million, one hundred forty thousand, nine hundred forty".