709485642 has 48 divisors (see below), whose sum is σ = 1608384960. Its totient is φ = 234384192.

The previous prime is 709485641. The next prime is 709485677. The reversal of 709485642 is 246584907.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (709485641) 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 23 ways as a sum of consecutive naturals, for example, 48459 + ... + 61377.

It is an arithmetic number, because the mean of its divisors is an integer number (33508020).

Almost surely, 2^709485642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709485642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804192480).

709485642 is an abundant number, since it is smaller than the sum of its proper divisors (898899318).

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

709485642 is a wasteful number, since it uses less digits than its factorization.

709485642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13049 (or 13037 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 709485642 is about 26636.1716843844. The cubic root of 709485642 is about 891.8966588171.

The spelling of 709485642 in words is "seven hundred nine million, four hundred eighty-five thousand, six hundred forty-two".