709144416 has 96 divisors (see below), whose sum is σ = 2074705920. Its totient is φ = 235654272.

The previous prime is 709144363. The next prime is 709144417. The reversal of 709144416 is 614441907.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709144417) 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 15 ways as a sum of consecutive naturals, for example, 329841 + ... + 331983.

It is an arithmetic number, because the mean of its divisors is an integer number (21611520).

Almost surely, 2^709144416 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 709144416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037352960).

709144416 is an abundant number, since it is smaller than the sum of its proper divisors (1365561504).

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

709144416 is a wasteful number, since it uses less digits than its factorization.

709144416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545 (or 2531 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 709144416 is about 26629.7656016721. The cubic root of 709144416 is about 891.7536504578.

The spelling of 709144416 in words is "seven hundred nine million, one hundred forty-four thousand, four hundred sixteen".