7873387 has 2 divisors, whose sum is σ = 7873388. Its totient is φ = 7873386.

The previous prime is 7873379. The next prime is 7873399. The reversal of 7873387 is 7833787.

It is a happy number.

7873387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7873387 - 2³ = 7873379 is a prime.

7873387 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7873357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3936693 + 3936694.

It is an arithmetic number, because the mean of its divisors is an integer number (3936694).

Almost surely, 2^7873387 is an apocalyptic number.

7873387 is a deficient number, since it is larger than the sum of its proper divisors (1).

7873387 is an equidigital number, since it uses as much as digits as its factorization.

7873387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 43.

The square root of 7873387 is about 2805.9556304404. The cubic root of 7873387 is about 198.9392759344.

The spelling of 7873387 in words is "seven million, eight hundred seventy-three thousand, three hundred eighty-seven".