478068634 has 4 divisors (see below), whose sum is σ = 717102954. Its totient is φ = 239034316.

The previous prime is 478068623. The next prime is 478068667. The reversal of 478068634 is 436860874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 386004609 + 92064025 = 19647^2 + 9595^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119517157 + ... + 119517160.

Almost surely, 2^478068634 is an apocalyptic number.

478068634 is a deficient number, since it is larger than the sum of its proper divisors (239034320).

478068634 is a wasteful number, since it uses less digits than its factorization.

478068634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239034319.

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 478068634 is about 21864.7806757809. The cubic root of 478068634 is about 781.9219718371.

The spelling of 478068634 in words is "four hundred seventy-eight million, sixty-eight thousand, six hundred thirty-four".