4487730 has 64 divisors (see below), whose sum is σ = 11950848. Its totient is φ = 1071360.

The previous prime is 4487729. The next prime is 4487741. The reversal of 4487730 is 377844.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4487691 and 4487700.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14275 + ... + 14585.

It is an arithmetic number, because the mean of its divisors is an integer number (186732).

Almost surely, 2^4487730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4487730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5975424).

4487730 is an abundant number, since it is smaller than the sum of its proper divisors (7463118).

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

4487730 is a wasteful number, since it uses less digits than its factorization.

4487730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 4487730 is about 2118.4263027068. The cubic root of 4487730 is about 164.9461716057.

The spelling of 4487730 in words is "four million, four hundred eighty-seven thousand, seven hundred thirty".