4724257 has 4 divisors (see below), whose sum is σ = 4748436. Its totient is φ = 4700080.

The previous prime is 4724243. The next prime is 4724309. The reversal of 4724257 is 7524274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7524274 = 2 ⋅3762137.

It can be written as a sum of positive squares in 2 ways, for example, as 2047761 + 2676496 = 1431^2 + 1636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4724257 is a prime.

It is a d-powerful number, because it can be written as 4 + 7 + 2⁷ + 4¹¹ + 2¹⁹ + 5⁵ + 7⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4724207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11794 + ... + 12187.

It is an arithmetic number, because the mean of its divisors is an integer number (1187109).

Almost surely, 2^4724257 is an apocalyptic number.

It is an amenable number.

4724257 is a deficient number, since it is larger than the sum of its proper divisors (24179).

4724257 is a wasteful number, since it uses less digits than its factorization.

4724257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24178.

The product of its digits is 15680, while the sum is 31.

The square root of 4724257 is about 2173.5355989723. The cubic root of 4724257 is about 167.7945452333.

The spelling of 4724257 in words is "four million, seven hundred twenty-four thousand, two hundred fifty-seven".