457742212 has 12 divisors (see below), whose sum is σ = 818092800. Its totient is φ = 224001416.

The previous prime is 457742203. The next prime is 457742213. The reversal of 457742212 is 212247754.

It is not an unprimeable number, because it can be changed into a prime (457742213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217212 + ... + 1217587.

It is an arithmetic number, because the mean of its divisors is an integer number (68174400).

Almost surely, 2^457742212 is an apocalyptic number.

It is an amenable number.

457742212 is a deficient number, since it is larger than the sum of its proper divisors (360350588).

457742212 is a wasteful number, since it uses less digits than its factorization.

457742212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434850 (or 2434848 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 457742212 is about 21394.9108902094. The cubic root of 457742212 is about 770.6792297527.

Adding to 457742212 its reverse (212247754), we get a palindrome (669989966).

The spelling of 457742212 in words is "four hundred fifty-seven million, seven hundred forty-two thousand, two hundred twelve".