709672860 has 192 divisors, whose sum is σ = 2434037760. Its totient is φ = 170553600.

The previous prime is 709672829. The next prime is 709672867. The reversal of 709672860 is 68276907.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709672867) 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 63 ways as a sum of consecutive naturals, for example, 300685 + ... + 303035.

It is an arithmetic number, because the mean of its divisors is an integer number (12677280).

Almost surely, 2^709672860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709672860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217018880).

709672860 is an abundant number, since it is smaller than the sum of its proper divisors (1724364900).

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

709672860 is a wasteful number, since it uses less digits than its factorization.

709672860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 709672860 is about 26639.6858089580. The cubic root of 709672860 is about 891.9751026988.

The spelling of 709672860 in words is "seven hundred nine million, six hundred seventy-two thousand, eight hundred sixty".