7870667 has 12 divisors (see below), whose sum is σ = 9208560. Its totient is φ = 6589776.

The previous prime is 7870661. The next prime is 7870679. The reversal of 7870667 is 7660787.

It is not a de Polignac number, because 7870667 - 2⁴ = 7870651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7870661) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15209 + ... + 15717.

It is an arithmetic number, because the mean of its divisors is an integer number (767380).

Almost surely, 2^7870667 is an apocalyptic number.

7870667 is a deficient number, since it is larger than the sum of its proper divisors (1337893).

7870667 is an equidigital number, since it uses as much as digits as its factorization.

7870667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 7870667 is about 2805.4709052136. The cubic root of 7870667 is about 198.9163642720.

The spelling of 7870667 in words is "seven million, eight hundred seventy thousand, six hundred sixty-seven".