457317478 has 8 divisors (see below), whose sum is σ = 696214872. Its totient is φ = 225245856.

The previous prime is 457317451. The next prime is 457317499. The reversal of 457317478 is 874713754.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1706275 + ... + 1706542.

It is an arithmetic number, because the mean of its divisors is an integer number (87026859).

Almost surely, 2^457317478 is an apocalyptic number.

457317478 is a deficient number, since it is larger than the sum of its proper divisors (238897394).

457317478 is a wasteful number, since it uses less digits than its factorization.

457317478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412886.

The product of its digits is 658560, while the sum is 46.

The square root of 457317478 is about 21384.9825344797. The cubic root of 457317478 is about 770.4407877077.

The spelling of 457317478 in words is "four hundred fifty-seven million, three hundred seventeen thousand, four hundred seventy-eight".