4720540 has 48 divisors (see below), whose sum is σ = 11088000. Its totient is φ = 1673280.

The previous prime is 4720517. The next prime is 4720553. The reversal of 4720540 is 450274.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9211 + ... + 9709.

It is an arithmetic number, because the mean of its divisors is an integer number (231000).

Almost surely, 2^4720540 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 4720540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5544000).

4720540 is an abundant number, since it is smaller than the sum of its proper divisors (6367460).

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

4720540 is a wasteful number, since it uses less digits than its factorization.

4720540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4720540 is about 2172.6803722591. The cubic root of 4720540 is about 167.7505273085.

The spelling of 4720540 in words is "four million, seven hundred twenty thousand, five hundred forty".