431678474 has 8 divisors (see below), whose sum is σ = 647621220. Its totient is φ = 215804736.

The previous prime is 431678453. The next prime is 431678491. The reversal of 431678474 is 474876134.

It can be written as a sum of positive squares in 2 ways, for example, as 428200249 + 3478225 = 20693^2 + 1865^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3272 + ... + 29564.

Almost surely, 2^431678474 is an apocalyptic number.

431678474 is a deficient number, since it is larger than the sum of its proper divisors (215942746).

431678474 is a wasteful number, since it uses less digits than its factorization.

431678474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34504.

The product of its digits is 451584, while the sum is 44.

The square root of 431678474 is about 20776.8735376620. The cubic root of 431678474 is about 755.7650383082.

The spelling of 431678474 in words is "four hundred thirty-one million, six hundred seventy-eight thousand, four hundred seventy-four".