709881606 has 24 divisors (see below), whose sum is σ = 1757802384. Its totient is φ = 202823280.

The previous prime is 709881577. The next prime is 709881607. The reversal of 709881606 is 606188907.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709881607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2816865 + ... + 2817116.

It is an arithmetic number, because the mean of its divisors is an integer number (73241766).

Almost surely, 2^709881606 is an apocalyptic number.

709881606 is an abundant number, since it is smaller than the sum of its proper divisors (1047920778).

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

709881606 is a wasteful number, since it uses less digits than its factorization.

709881606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633996 (or 5633993 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 709881606 is about 26643.6034725035. The cubic root of 709881606 is about 892.0625504944.

The spelling of 709881606 in words is "seven hundred nine million, eight hundred eighty-one thousand, six hundred six".