4678740 has 144 divisors (see below), whose sum is σ = 16511040. Its totient is φ = 1059840.

The previous prime is 4678727. The next prime is 4678741. The reversal of 4678740 is 478764.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4678695 and 4678704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4678741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33591 + ... + 33729.

It is an arithmetic number, because the mean of its divisors is an integer number (114660).

Almost surely, 2^4678740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4678740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8255520).

4678740 is an abundant number, since it is smaller than the sum of its proper divisors (11832300).

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

4678740 is a wasteful number, since it uses less digits than its factorization.

4678740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 4678740 is about 2163.0395280716. The cubic root of 4678740 is about 167.2539194856.

The spelling of 4678740 in words is "four million, six hundred seventy-eight thousand, seven hundred forty".