457974661 has 4 divisors (see below), whose sum is σ = 463492512. Its totient is φ = 452456812.

The previous prime is 457974653. The next prime is 457974667. The reversal of 457974661 is 166479754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 457974661 - 2³ = 457974653 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457974667) 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, 2758801 + ... + 2758966.

It is an arithmetic number, because the mean of its divisors is an integer number (115873128).

Almost surely, 2^457974661 is an apocalyptic number.

It is an amenable number.

457974661 is a deficient number, since it is larger than the sum of its proper divisors (5517851).

457974661 is an equidigital number, since it uses as much as digits as its factorization.

457974661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517850.

The product of its digits is 1270080, while the sum is 49.

The square root of 457974661 is about 21400.3425439875. The cubic root of 457974661 is about 770.8096621927.

The spelling of 457974661 in words is "four hundred fifty-seven million, nine hundred seventy-four thousand, six hundred sixty-one".