4720257 has 12 divisors (see below), whose sum is σ = 6963840. Its totient is φ = 3079608.

The previous prime is 4720231. The next prime is 4720259. The reversal of 4720257 is 7520274.

It is not a de Polignac number, because 4720257 - 2⁶ = 4720193 is a prime.

It is a super-2 number, since 2×4720257² = 44561652292098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4720257.

It is not an unprimeable number, because it can be changed into a prime (4720259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5157 + ... + 6002.

It is an arithmetic number, because the mean of its divisors is an integer number (580320).

Almost surely, 2^4720257 is an apocalyptic number.

4720257 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4720257 is a deficient number, since it is larger than the sum of its proper divisors (2243583).

4720257 is a wasteful number, since it uses less digits than its factorization.

4720257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212 (or 11209 counting only the distinct ones).

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

The square root of 4720257 is about 2172.6152443541. The cubic root of 4720257 is about 167.7471749839.

The spelling of 4720257 in words is "four million, seven hundred twenty thousand, two hundred fifty-seven".