7887340 has 12 divisors (see below), whose sum is σ = 16563456. Its totient is φ = 3154928.

The previous prime is 7887329. The next prime is 7887359. The reversal of 7887340 is 437887.

It is a self number, because there is not a number n which added to its sum of digits gives 7887340.

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 3 ways as a sum of consecutive naturals, for example, 197164 + ... + 197203.

It is an arithmetic number, because the mean of its divisors is an integer number (1380288).

Almost surely, 2^7887340 is an apocalyptic number.

It is an amenable number.

7887340 is an abundant number, since it is smaller than the sum of its proper divisors (8676116).

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

7887340 is a wasteful number, since it uses less digits than its factorization.

7887340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394376 (or 394374 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 7887340 is about 2808.4408485849. The cubic root of 7887340 is about 199.0567248205.

It can be divided in two parts, 788 and 7340, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 7887340 in words is "seven million, eight hundred eighty-seven thousand, three hundred forty".