6142740 has 48 divisors (see below), whose sum is σ = 17670912. Its totient is φ = 1593216.

The previous prime is 6142739. The next prime is 6142783. The reversal of 6142740 is 472416.

It is a self number, because there is not a number n which added to its sum of digits gives 6142740.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 837 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (368144).

Almost surely, 2^6142740 is an apocalyptic number.

6142740 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 6142740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8835456).

6142740 is an abundant number, since it is smaller than the sum of its proper divisors (11528172).

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

6142740 is a wasteful number, since it uses less digits than its factorization.

6142740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 6142740 is about 2478.4551640084. The cubic root of 6142740 is about 183.1417576405.

The spelling of 6142740 in words is "six million, one hundred forty-two thousand, seven hundred forty".