6687020 has 24 divisors (see below), whose sum is σ = 14654304. Its totient is φ = 2558336.

The previous prime is 6687017. The next prime is 6687049. The reversal of 6687020 is 207866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6809 + ... + 7728.

It is an arithmetic number, because the mean of its divisors is an integer number (610596).

Almost surely, 2^6687020 is an apocalyptic number.

It is an amenable number.

6687020 is an abundant number, since it is smaller than the sum of its proper divisors (7967284).

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

6687020 is a wasteful number, since it uses less digits than its factorization.

6687020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14569 (or 14567 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 6687020 is about 2585.9272998288. The cubic root of 6687020 is about 188.3985433899.

The spelling of 6687020 in words is "six million, six hundred eighty-seven thousand, twenty".