457949705 has 8 divisors (see below), whose sum is σ = 562943304. Its totient is φ = 357424000.

The previous prime is 457949683. The next prime is 457949741. The reversal of 457949705 is 507949754.

It can be written as a sum of positive squares in 4 ways, for example, as 24810361 + 433139344 = 4981^2 + 20812^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 457949705 - 2⁸ = 457949449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1116746 + ... + 1117155.

It is an arithmetic number, because the mean of its divisors is an integer number (70367913).

Almost surely, 2^457949705 is an apocalyptic number.

It is an amenable number.

457949705 is a deficient number, since it is larger than the sum of its proper divisors (104993599).

457949705 is a wasteful number, since it uses less digits than its factorization.

457949705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233947.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 457949705 is about 21399.7594612650. The cubic root of 457949705 is about 770.7956609265.

The spelling of 457949705 in words is "four hundred fifty-seven million, nine hundred forty-nine thousand, seven hundred five".