605774642 has 12 divisors (see below), whose sum is σ = 998777598. Its totient is φ = 275352000.

The previous prime is 605774641. The next prime is 605774657. The reversal of 605774642 is 246477506.

It can be written as a sum of positive squares in only one way, i.e., 459630721 + 146143921 = 21439^2 + 12089^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 605774642.

It is not an unprimeable number, because it can be changed into a prime (605774641) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1251359 + ... + 1251842.

Almost surely, 2^605774642 is an apocalyptic number.

605774642 is a deficient number, since it is larger than the sum of its proper divisors (393002956).

605774642 is a wasteful number, since it uses less digits than its factorization.

605774642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503225 (or 2503214 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 605774642 is about 24612.4895530704. The cubic root of 605774642 is about 846.1298760902.

The spelling of 605774642 in words is "six hundred five million, seven hundred seventy-four thousand, six hundred forty-two".