7882540 has 24 divisors (see below), whose sum is σ = 16783200. Its totient is φ = 3109248.

The previous prime is 7882529. The next prime is 7882571. The reversal of 7882540 is 452887.

It is a junction number, because it is equal to n+sod(n) for n = 7882496 and 7882505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240 + ... + 4159.

It is an arithmetic number, because the mean of its divisors is an integer number (699300).

Almost surely, 2^7882540 is an apocalyptic number.

It is an amenable number.

7882540 is an abundant number, since it is smaller than the sum of its proper divisors (8900660).

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

7882540 is a wasteful number, since it uses less digits than its factorization.

7882540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481 (or 5479 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 7882540 is about 2807.5861518393. The cubic root of 7882540 is about 199.0163366301.

The spelling of 7882540 in words is "seven million, eight hundred eighty-two thousand, five hundred forty".