4721560 has 32 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 1841920.

The previous prime is 4721531. The next prime is 4721569. The reversal of 4721560 is 651274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 3079.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^4721560 is an apocalyptic number.

4721560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4721560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5443200).

4721560 is an abundant number, since it is smaller than the sum of its proper divisors (6164840).

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

4721560 is a wasteful number, since it uses less digits than its factorization.

4721560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931 (or 2927 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 4721560 is about 2172.9150926808. The cubic root of 4721560 is about 167.7626087805.

The spelling of 4721560 in words is "four million, seven hundred twenty-one thousand, five hundred sixty".