4678140 has 24 divisors (see below), whose sum is σ = 13098960. Its totient is φ = 1247488.

The previous prime is 4678133. The next prime is 4678181. The reversal of 4678140 is 418764.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4678098 and 4678107.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 38925 + ... + 39044.

It is an arithmetic number, because the mean of its divisors is an integer number (545790).

Almost surely, 2^4678140 is an apocalyptic number.

It is an amenable number.

4678140 is an abundant number, since it is smaller than the sum of its proper divisors (8420820).

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

4678140 is a wasteful number, since it uses less digits than its factorization.

4678140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77981 (or 77979 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 4678140 is about 2162.9008299041. The cubic root of 4678140 is about 167.2467696517.

Subtracting from 4678140 its product of nonzero digits (5376), we obtain a palindrome (4672764).

The spelling of 4678140 in words is "four million, six hundred seventy-eight thousand, one hundred forty".