6641760 has 96 divisors (see below), whose sum is σ = 21282912. Its totient is φ = 1740800.

The previous prime is 6641753. The next prime is 6641771. The reversal of 6641760 is 671466.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×6641760² = 88225951795200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48412 + ... + 48548.

It is an arithmetic number, because the mean of its divisors is an integer number (221697).

Almost surely, 2^6641760 is an apocalyptic number.

6641760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6641760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10641456).

6641760 is an abundant number, since it is smaller than the sum of its proper divisors (14641152).

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

6641760 is a wasteful number, since it uses less digits than its factorization.

6641760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 6641760 is about 2577.1612289494. The cubic root of 6641760 is about 187.9725325798.

The spelling of 6641760 in words is "six million, six hundred forty-one thousand, seven hundred sixty".