4757220 has 144 divisors (see below), whose sum is σ = 16511040. Its totient is φ = 1099008.

The previous prime is 4757209. The next prime is 4757231. The reversal of 4757220 is 227574.

It is an interprime number because it is at equal distance from previous prime (4757209) and next prime (4757231).

It is a super-2 number, since 2×4757220² = 45262284256800, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44407 + ... + 44513.

It is an arithmetic number, because the mean of its divisors is an integer number (114660).

Almost surely, 2^4757220 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 4757220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8255520).

4757220 is an abundant number, since it is smaller than the sum of its proper divisors (11753820).

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

4757220 is a wasteful number, since it uses less digits than its factorization.

4757220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 4757220 is about 2181.1052244218. The cubic root of 4757220 is about 168.1838972672.

The spelling of 4757220 in words is "four million, seven hundred fifty-seven thousand, two hundred twenty".