4917780 has 96 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 1123200.

The previous prime is 4917779. The next prime is 4917793. The reversal of 4917780 is 877194.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3130 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (182280).

Almost surely, 2^4917780 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 4917780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8749440).

4917780 is an abundant number, since it is smaller than the sum of its proper divisors (12581100).

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

4917780 is a wasteful number, since it uses less digits than its factorization.

4917780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 4917780 is about 2217.6068181713. The cubic root of 4917780 is about 170.0551147709.

The spelling of 4917780 in words is "four million, nine hundred seventeen thousand, seven hundred eighty".