6698740 has 24 divisors (see below), whose sum is σ = 14126112. Its totient is φ = 2668320.

The previous prime is 6698737. The next prime is 6698743. The reversal of 6698740 is 478966.

It is an interprime number because it is at equal distance from previous prime (6698737) and next prime (6698743).

It is a d-powerful number, because it can be written as 6² + 6⁸ + 9³ + 8³ + 7⁷ + 4¹¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 6698693 and 6698702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698743) 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 7 ways as a sum of consecutive naturals, for example, 5595 + ... + 6685.

It is an arithmetic number, because the mean of its divisors is an integer number (588588).

Almost surely, 2^6698740 is an apocalyptic number.

It is an amenable number.

6698740 is an abundant number, since it is smaller than the sum of its proper divisors (7427372).

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

6698740 is a wasteful number, since it uses less digits than its factorization.

6698740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6698740 is about 2588.1924194310. The cubic root of 6698740 is about 188.5085446668.

It can be divided in two parts, 669 and 8740, that added together give a square (9409 = 97²).

The spelling of 6698740 in words is "six million, six hundred ninety-eight thousand, seven hundred forty".