4665780 has 162 divisors, whose sum is σ = 17210466. Its totient is φ = 1020096.

The previous prime is 4665767. The next prime is 4665799. The reversal of 4665780 is 875664.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3732624 + 933156 = 1932^2 + 966^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 202849 + ... + 202871.

Almost surely, 2^4665780 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 4665780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8605233).

4665780 is an abundant number, since it is smaller than the sum of its proper divisors (12544686).

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

4665780 is a wasteful number, since it uses less digits than its factorization.

4665780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4665780 is about 2160.0416662648. The cubic root of 4665780 is about 167.0993468661.

It can be divided in two parts, 4665 and 780, that added together give a palindrome (5445).

The spelling of 4665780 in words is "four million, six hundred sixty-five thousand, seven hundred eighty".