675634806 has 48 divisors (see below), whose sum is σ = 1825095168. Its totient is φ = 175489200.

The previous prime is 675634789. The next prime is 675634811. The reversal of 675634806 is 608436576.

675634806 is a `hidden beast` number, since 6 + 7 + 5 + 634 + 8 + 0 + 6 = 666.

675634806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242350 + ... + 245121.

It is an arithmetic number, because the mean of its divisors is an integer number (38022816).

Almost surely, 2^675634806 is an apocalyptic number.

675634806 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

675634806 is an abundant number, since it is smaller than the sum of its proper divisors (1149460362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675634806 is a wasteful number, since it uses less digits than its factorization.

675634806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487497 (or 487494 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 675634806 is about 25992.9760897055. The cubic root of 675634806 is about 877.4802255266.

The spelling of 675634806 in words is "six hundred seventy-five million, six hundred thirty-four thousand, eight hundred six".