709782016 has 20 divisors (see below), whose sum is σ = 1418178762. Its totient is φ = 354890752.

The previous prime is 709782013. The next prime is 709782019. The reversal of 709782016 is 610287907.

It is an interprime number because it is at equal distance from previous prime (709782013) and next prime (709782019).

It can be written as a sum of positive squares in only one way, i.e., 709689600 + 92416 = 26640^2 + 304^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 709782016.

It is not an unprimeable number, because it can be changed into a prime (709782013) by changing a digit.

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 as a sum of consecutive naturals, namely, 692635 + ... + 693658.

Almost surely, 2^709782016 is an apocalyptic number.

It is an amenable number.

709782016 is a deficient number, since it is larger than the sum of its proper divisors (708396746).

709782016 is an equidigital number, since it uses as much as digits as its factorization.

709782016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386311 (or 1386295 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 709782016 is about 26641.7344780703. The cubic root of 709782016 is about 892.0208324279.

The spelling of 709782016 in words is "seven hundred nine million, seven hundred eighty-two thousand, sixteen".