709695648 has 96 divisors (see below), whose sum is σ = 2136798720. Its totient is φ = 228925440.

The previous prime is 709695641. The next prime is 709695653. The reversal of 709695648 is 846596907.

709695648 is a `hidden beast` number, since 70 + 9 + 6 + 9 + 564 + 8 = 666.

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 (54).

It is a junction number, because it is equal to n+sod(n) for n = 709695594 and 709695603.

It is not an unprimeable number, because it can be changed into a prime (709695641) 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 in 15 ways as a sum of consecutive naturals, for example, 13536 + ... + 40032.

It is an arithmetic number, because the mean of its divisors is an integer number (22258320).

Almost surely, 2^709695648 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 709695648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1068399360).

709695648 is an abundant number, since it is smaller than the sum of its proper divisors (1427103072).

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

709695648 is a wasteful number, since it uses less digits than its factorization.

709695648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26547 (or 26533 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 709695648 is about 26640.1135132717. The cubic root of 709695648 is about 891.9846498729.

The spelling of 709695648 in words is "seven hundred nine million, six hundred ninety-five thousand, six hundred forty-eight".