6970987 has 4 divisors (see below), whose sum is σ = 6981160. Its totient is φ = 6960816.

The previous prime is 6970981. The next prime is 6971009. The reversal of 6970987 is 7890796.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6970987 - 2¹¹ = 6968939 is a prime.

It is a Duffinian number.

6970987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6970981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3978 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (1745290).

Almost surely, 2^6970987 is an apocalyptic number.

6970987 is a deficient number, since it is larger than the sum of its proper divisors (10173).

6970987 is an equidigital number, since it uses as much as digits as its factorization.

6970987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10172.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 6970987 is about 2640.2626763260. The cubic root of 6970987 is about 191.0284671987.

It can be divided in two parts, 69709 and 87, that added together give a palindrome (69796).

The spelling of 6970987 in words is "six million, nine hundred seventy thousand, nine hundred eighty-seven".