6870157 has 4 divisors (see below), whose sum is σ = 7851616. Its totient is φ = 5888700.

The previous prime is 6870151. The next prime is 6870167. The reversal of 6870157 is 7510786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6870157 - 2⁷ = 6870029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6870151) 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 3 ways as a sum of consecutive naturals, for example, 490719 + ... + 490732.

It is an arithmetic number, because the mean of its divisors is an integer number (1962904).

Almost surely, 2^6870157 is an apocalyptic number.

It is an amenable number.

6870157 is a deficient number, since it is larger than the sum of its proper divisors (981459).

6870157 is an equidigital number, since it uses as much as digits as its factorization.

6870157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981458.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 6870157 is about 2621.0984338632. The cubic root of 6870157 is about 190.1029635831.

It can be divided in two parts, 68 and 70157, that added together give a square (70225 = 265²).

The spelling of 6870157 in words is "six million, eight hundred seventy thousand, one hundred fifty-seven".