709419648 has 192 divisors, whose sum is σ = 2253506400. Its totient is φ = 197019648.

The previous prime is 709419647. The next prime is 709419671. The reversal of 709419648 is 846914907.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 709419597 and 709419606.

It is not an unprimeable number, because it can be changed into a prime (709419643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 695683 + ... + 696701.

Almost surely, 2^709419648 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 709419648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1126753200).

709419648 is an abundant number, since it is smaller than the sum of its proper divisors (1544086752).

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

709419648 is a wasteful number, since it uses less digits than its factorization.

709419648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 709419648 is about 26634.9328514265. The cubic root of 709419648 is about 891.8690042038.

The spelling of 709419648 in words is "seven hundred nine million, four hundred nineteen thousand, six hundred forty-eight".