709180066 has 16 divisors (see below), whose sum is σ = 1216083456. Its totient is φ = 303847776.

The previous prime is 709180049. The next prime is 709180067. The reversal of 709180066 is 660081907.

It is not an unprimeable number, because it can be changed into a prime (709180067) 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 7 ways as a sum of consecutive naturals, for example, 80470 + ... + 88846.

It is an arithmetic number, because the mean of its divisors is an integer number (76005216).

Almost surely, 2^709180066 is an apocalyptic number.

709180066 is a deficient number, since it is larger than the sum of its proper divisors (506903390).

709180066 is a wasteful number, since it uses less digits than its factorization.

709180066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14433.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 709180066 is about 26630.4349570186. The cubic root of 709180066 is about 891.7685935753.

The spelling of 709180066 in words is "seven hundred nine million, one hundred eighty thousand, sixty-six".