706401647040 has 224 divisors, whose sum is σ = 2296137989376. Its totient is φ = 183900487680.

The previous prime is 706401647027. The next prime is 706401647041. The reversal of 706401647040 is 40746104607.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 706401647040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706401647041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128832139 + ... + 128837621.

It is an arithmetic number, because the mean of its divisors is an integer number (10250616024).

Almost surely, 2^706401647040 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 706401647040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148068994688).

706401647040 is an abundant number, since it is smaller than the sum of its proper divisors (1589736342336).

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

706401647040 is a wasteful number, since it uses less digits than its factorization.

706401647040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8667 (or 8657 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 706401647040 in words is "seven hundred six billion, four hundred one million, six hundred forty-seven thousand, forty".