457506681 has 16 divisors (see below), whose sum is σ = 648014400. Its totient is φ = 286296768.

The previous prime is 457506671. The next prime is 457506701. The reversal of 457506681 is 186605754.

It is not a de Polignac number, because 457506681 - 2⁹ = 457506169 is a prime.

It is a super-2 number, since 2×457506681² = 418624726319271522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (457506671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30606 + ... + 43031.

It is an arithmetic number, because the mean of its divisors is an integer number (40500900).

Almost surely, 2^457506681 is an apocalyptic number.

It is an amenable number.

457506681 is a deficient number, since it is larger than the sum of its proper divisors (190507719).

457506681 is a wasteful number, since it uses less digits than its factorization.

457506681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73768.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 457506681 is about 21389.4058122240. The cubic root of 457506681 is about 770.5470228851.

The spelling of 457506681 in words is "four hundred fifty-seven million, five hundred six thousand, six hundred eighty-one".