6145740 has 96 divisors (see below), whose sum is σ = 20160000. Its totient is φ = 1550016.

The previous prime is 6145729. The next prime is 6145753. The reversal of 6145740 is 475416.

6145740 is a `hidden beast` number, since 614 + 5 + 7 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 9961 + ... + 10559.

It is an arithmetic number, because the mean of its divisors is an integer number (210000).

Almost surely, 2^6145740 is an apocalyptic number.

6145740 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 6145740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10080000).

6145740 is an abundant number, since it is smaller than the sum of its proper divisors (14014260).

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

6145740 is a wasteful number, since it uses less digits than its factorization.

6145740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 6145740 is about 2479.0603058417. The cubic root of 6145740 is about 183.1715671313.

The spelling of 6145740 in words is "six million, one hundred forty-five thousand, seven hundred forty".