6270140 has 12 divisors (see below), whose sum is σ = 13167336. Its totient is φ = 2508048.

The previous prime is 6270137. The next prime is 6270157. The reversal of 6270140 is 410726.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 313507 = 6270140 / (6 + 2 + 7 + 0 + 1 + 4 + 0).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156734 + ... + 156773.

It is an arithmetic number, because the mean of its divisors is an integer number (1097278).

Almost surely, 2^6270140 is an apocalyptic number.

It is an amenable number.

6270140 is an abundant number, since it is smaller than the sum of its proper divisors (6897196).

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

6270140 is a wasteful number, since it uses less digits than its factorization.

6270140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313516 (or 313514 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 6270140 is about 2504.0247602610. The cubic root of 6270140 is about 184.3992198385.

Adding to 6270140 its reverse (410726), we get a palindrome (6680866).

The spelling of 6270140 in words is "six million, two hundred seventy thousand, one hundred forty".