6998670 has 144 divisors (see below), whose sum is σ = 22695120.
Its totient is φ = 1530144.
The previous prime is 6998627. The next prime is 6998681. The reversal of 6998670 is 768996.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 304279 + ... + 304301.
It is an arithmetic number, because the mean of its divisors is an integer number (157605).
Almost surely, 26998670 is an apocalyptic number.
It is a pronic number, being equal to 2645×2646.
It is a practical number, because each smaller number is the sum of distinct divisors of 6998670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11347560).
6998670 is an abundant number, since it is smaller than the sum of its proper divisors (15696450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6998670 is a wasteful number, since it uses less digits than its factorization.
6998670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76 (or 40 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The square root of 6998670 is about 2645.4999527500.
The cubic root of 6998670 is about 191.2810022790.
The spelling of 6998670 in words is "six million, nine hundred ninety-eight thousand, six hundred seventy".