6470140 has 12 divisors (see below), whose sum is σ = 13587336. Its totient is φ = 2588048.

The previous prime is 6470129. The next prime is 6470141. The reversal of 6470140 is 410746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6470141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161734 + ... + 161773.

It is an arithmetic number, because the mean of its divisors is an integer number (1132278).

Almost surely, 2^6470140 is an apocalyptic number.

It is an amenable number.

6470140 is an abundant number, since it is smaller than the sum of its proper divisors (7117196).

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

6470140 is a wasteful number, since it uses less digits than its factorization.

6470140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323516 (or 323514 counting only the distinct ones).

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

The square root of 6470140 is about 2543.6469880862. The cubic root of 6470140 is about 186.3393427494.

Adding to 6470140 its reverse (410746), we get a palindrome (6880886).

The spelling of 6470140 in words is "six million, four hundred seventy thousand, one hundred forty".