606720842 has 24 divisors (see below), whose sum is σ = 1140104196. Its totient is φ = 240020928.

The previous prime is 606720827. The next prime is 606720883. The reversal of 606720842 is 248027606.

It can be written as a sum of positive squares in 2 ways, for example, as 606095161 + 625681 = 24619^2 + 791^2 .

It is a super-2 number, since 2×606720842² = 736220360234377928, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 236843 + ... + 239390.

Almost surely, 2^606720842 is an apocalyptic number.

606720842 is a deficient number, since it is larger than the sum of its proper divisors (533383354).

606720842 is a wasteful number, since it uses less digits than its factorization.

606720842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476262 (or 476255 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 606720842 is about 24631.7040011445. The cubic root of 606720842 is about 846.5701892328.

The spelling of 606720842 in words is "six hundred six million, seven hundred twenty thousand, eight hundred forty-two".