6381740 has 24 divisors (see below), whose sum is σ = 13865040. Its totient is φ = 2464448.

The previous prime is 6381737. The next prime is 6381761. The reversal of 6381740 is 471836.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 4922 + ... + 6081.

It is an arithmetic number, because the mean of its divisors is an integer number (577710).

Almost surely, 2^6381740 is an apocalyptic number.

It is an amenable number.

6381740 is an abundant number, since it is smaller than the sum of its proper divisors (7483300).

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

6381740 is a wasteful number, since it uses less digits than its factorization.

6381740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041 (or 11039 counting only the distinct ones).

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

The square root of 6381740 is about 2526.2106008803. The cubic root of 6381740 is about 185.4868113736.

The spelling of 6381740 in words is "six million, three hundred eighty-one thousand, seven hundred forty".