457750247 has 12 divisors (see below), whose sum is σ = 475210080. Its totient is φ = 440909280.

The previous prime is 457750243. The next prime is 457750303. The reversal of 457750247 is 742057754.

It is not a de Polignac number, because 457750247 - 2² = 457750243 is a prime.

It is a super-2 number, since 2×457750247² = 419070577257122018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457750243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228683 + ... + 230675.

It is an arithmetic number, because the mean of its divisors is an integer number (39600840).

Almost surely, 2^457750247 is an apocalyptic number.

457750247 is a deficient number, since it is larger than the sum of its proper divisors (17459833).

457750247 is a wasteful number, since it uses less digits than its factorization.

457750247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294 (or 2263 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 41.

The square root of 457750247 is about 21395.0986676856. The cubic root of 457750247 is about 770.6837391113.

The spelling of 457750247 in words is "four hundred fifty-seven million, seven hundred fifty thousand, two hundred forty-seven".