6472140 has 48 divisors (see below), whose sum is σ = 18234720. Its totient is φ = 1715200.

The previous prime is 6472139. The next prime is 6472157. The reversal of 6472140 is 412746.

It is a self number, because there is not a number n which added to its sum of digits gives 6472140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15940 + ... + 16340.

It is an arithmetic number, because the mean of its divisors is an integer number (379890).

Almost surely, 2^6472140 is an apocalyptic number.

6472140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6472140 is an abundant number, since it is smaller than the sum of its proper divisors (11762580).

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

6472140 is a wasteful number, since it uses less digits than its factorization.

6472140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 680 counting only the distinct ones).

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

The square root of 6472140 is about 2544.0400940237. The cubic root of 6472140 is about 186.3585407004.

Adding to 6472140 its reverse (412746), we get a palindrome (6884886).

The spelling of 6472140 in words is "six million, four hundred seventy-two thousand, one hundred forty".