457273816 has 16 divisors (see below), whose sum is σ = 860487840. Its totient is φ = 227810400.

The previous prime is 457273807. The next prime is 457273819. The reversal of 457273816 is 618372754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457273819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100960 + ... + 105391.

It is an arithmetic number, because the mean of its divisors is an integer number (53780490).

Almost surely, 2^457273816 is an apocalyptic number.

It is an amenable number.

457273816 is a deficient number, since it is larger than the sum of its proper divisors (403214024).

457273816 is a wasteful number, since it uses less digits than its factorization.

457273816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206634 (or 206630 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 457273816 is about 21383.9616535384. The cubic root of 457273816 is about 770.4162678662.

It can be divided in two parts, 4572738 and 16, that added together give a palindrome (4572754).

The spelling of 457273816 in words is "four hundred fifty-seven million, two hundred seventy-three thousand, eight hundred sixteen".