6662940 has 24 divisors (see below), whose sum is σ = 18656400. Its totient is φ = 1776768.

The previous prime is 6662911. The next prime is 6662941. The reversal of 6662940 is 492666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55465 + ... + 55584.

It is an arithmetic number, because the mean of its divisors is an integer number (777350).

Almost surely, 2^6662940 is an apocalyptic number.

6662940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6662940 is an abundant number, since it is smaller than the sum of its proper divisors (11993460).

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

6662940 is a wasteful number, since it uses less digits than its factorization.

6662940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111061 (or 111059 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 6662940 is about 2581.2671306938. The cubic root of 6662940 is about 188.1721299636.

The spelling of 6662940 in words is "six million, six hundred sixty-two thousand, nine hundred forty".