7960240 has 40 divisors (see below), whose sum is σ = 19485360. Its totient is φ = 3015936.

The previous prime is 7960237. The next prime is 7960241. The reversal of 7960240 is 420697.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 7960199 and 7960208.

It is not an unprimeable number, because it can be changed into a prime (7960241) 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 7 ways as a sum of consecutive naturals, for example, 1099 + ... + 4138.

It is an arithmetic number, because the mean of its divisors is an integer number (487134).

Almost surely, 2^7960240 is an apocalyptic number.

It is an amenable number.

7960240 is an abundant number, since it is smaller than the sum of its proper divisors (11525120).

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

7960240 is a wasteful number, since it uses less digits than its factorization.

7960240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 7960240 is about 2821.3897284849. The cubic root of 7960240 is about 199.6681162371.

The spelling of 7960240 in words is "seven million, nine hundred sixty thousand, two hundred forty".