457280073 has 12 divisors (see below), whose sum is σ = 684979568. Its totient is φ = 304853220.

The previous prime is 457280071. The next prime is 457280081. The reversal of 457280073 is 370082754.

457280073 is a `hidden beast` number, since 4 + 572 + 80 + 0 + 7 + 3 = 666.

It is not a de Polignac number, because 457280073 - 2¹ = 457280071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457280071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940663 + ... + 941148.

Almost surely, 2^457280073 is an apocalyptic number.

It is an amenable number.

457280073 is a deficient number, since it is larger than the sum of its proper divisors (227699495).

457280073 is an equidigital number, since it uses as much as digits as its factorization.

457280073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881826 (or 1881814 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 457280073 is about 21384.1079542730. The cubic root of 457280073 is about 770.4197817874.

The spelling of 457280073 in words is "four hundred fifty-seven million, two hundred eighty thousand, seventy-three".