6987474 has 36 divisors (see below), whose sum is σ = 16400826. Its totient is φ = 2149056.

The previous prime is 6987473. The next prime is 6987499. The reversal of 6987474 is 4747896.

It can be written as a sum of positive squares in 3 ways, for example, as 3404025 + 3583449 = 1845^2 + 1893^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (6987473) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 1894 + ... + 4190.

Almost surely, 2^6987474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6987474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8200413).

6987474 is an abundant number, since it is smaller than the sum of its proper divisors (9413352).

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

6987474 is a wasteful number, since it uses less digits than its factorization.

6987474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331 (or 2315 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 6987474 is about 2643.3830596416. The cubic root of 6987474 is about 191.1789483600.

The spelling of 6987474 in words is "six million, nine hundred eighty-seven thousand, four hundred seventy-four".