6212740 has 24 divisors (see below), whose sum is σ = 13167000. Its totient is φ = 2462208.

The previous prime is 6212711. The next prime is 6212747. The reversal of 6212740 is 472126.

It can be written as a sum of positive squares in 4 ways, for example, as 298116 + 5914624 = 546^2 + 2432^2 .

It is not an unprimeable number, because it can be changed into a prime (6212747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886 + ... + 3634.

It is an arithmetic number, because the mean of its divisors is an integer number (548625).

Almost surely, 2^6212740 is an apocalyptic number.

It is an amenable number.

6212740 is an abundant number, since it is smaller than the sum of its proper divisors (6954260).

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

6212740 is a wasteful number, since it uses less digits than its factorization.

6212740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 6212740 is about 2492.5368603092. The cubic root of 6212740 is about 183.8347997382.

Adding to 6212740 its reverse (472126), we get a palindrome (6684866).

The spelling of 6212740 in words is "six million, two hundred twelve thousand, seven hundred forty".