6988172 has 6 divisors (see below), whose sum is σ = 12229308. Its totient is φ = 3494084.

The previous prime is 6988169. The next prime is 6988193. The reversal of 6988172 is 2718896.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 873518 + ... + 873525.

It is an arithmetic number, because the mean of its divisors is an integer number (2038218).

Almost surely, 2^6988172 is an apocalyptic number.

It is an amenable number.

6988172 is a deficient number, since it is larger than the sum of its proper divisors (5241136).

6988172 is a wasteful number, since it uses less digits than its factorization.

6988172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747047 (or 1747045 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 6988172 is about 2643.5150841257. The cubic root of 6988172 is about 191.1853139634.

The spelling of 6988172 in words is "six million, nine hundred eighty-eight thousand, one hundred seventy-two".