457842427 has 6 divisors (see below), whose sum is σ = 532592268. Its totient is φ = 392436324.

The previous prime is 457842421. The next prime is 457842431. The reversal of 457842427 is 724248754.

It is not a de Polignac number, because 457842427 - 2⁷ = 457842299 is a prime.

It is a super-2 number, since 2×457842427² = 419239375922500658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457842421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4671813 + ... + 4671910.

It is an arithmetic number, because the mean of its divisors is an integer number (88765378).

Almost surely, 2^457842427 is an apocalyptic number.

457842427 is a deficient number, since it is larger than the sum of its proper divisors (74749841).

457842427 is an equidigital number, since it uses as much as digits as its factorization.

457842427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343737 (or 9343730 counting only the distinct ones).

The product of its digits is 501760, while the sum is 43.

The square root of 457842427 is about 21397.2527909543. The cubic root of 457842427 is about 770.7354680904.

The spelling of 457842427 in words is "four hundred fifty-seven million, eight hundred forty-two thousand, four hundred twenty-seven".