709347456 has 160 divisors (see below), whose sum is σ = 2180090880. Its totient is φ = 228718080.

The previous prime is 709347449. The next prime is 709347473. The reversal of 709347456 is 654743907.

709347456 is a `hidden beast` number, since 70 + 93 + 47 + 456 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 320305 + ... + 322511.

It is an arithmetic number, because the mean of its divisors is an integer number (13625568).

Almost surely, 2^709347456 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 709347456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090045440).

709347456 is an abundant number, since it is smaller than the sum of its proper divisors (1470743424).

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

709347456 is a wasteful number, since it uses less digits than its factorization.

709347456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2243 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 709347456 is about 26633.5776042198. The cubic root of 709347456 is about 891.8387503705.

The spelling of 709347456 in words is "seven hundred nine million, three hundred forty-seven thousand, four hundred fifty-six".