606687720 has 64 divisors (see below), whose sum is σ = 1822504320. Its totient is φ = 161566464.

The previous prime is 606687713. The next prime is 606687733. The reversal of 606687720 is 27786606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99397 + ... + 105323.

It is an arithmetic number, because the mean of its divisors is an integer number (28476630).

Almost surely, 2^606687720 is an apocalyptic number.

606687720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

606687720 is an abundant number, since it is smaller than the sum of its proper divisors (1215816600).

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

606687720 is a wasteful number, since it uses less digits than its factorization.

606687720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6794 (or 6790 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 606687720 is about 24631.0316470910. The cubic root of 606687720 is about 846.5547836810.

The spelling of 606687720 in words is "six hundred six million, six hundred eighty-seven thousand, seven hundred twenty".