706668570 has 64 divisors (see below), whose sum is σ = 1896128640. Its totient is φ = 187277184.

The previous prime is 706668569. The next prime is 706668617. The reversal of 706668570 is 75866607.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35982 + ... + 52038.

It is an arithmetic number, because the mean of its divisors is an integer number (29627010).

Almost surely, 2^706668570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 706668570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948064320).

706668570 is an abundant number, since it is smaller than the sum of its proper divisors (1189460070).

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

706668570 is a wasteful number, since it uses less digits than its factorization.

706668570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16236 (or 16230 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 706668570 is about 26583.2385160274. The cubic root of 706668570 is about 890.7146429437.

The spelling of 706668570 in words is "seven hundred six million, six hundred sixty-eight thousand, five hundred seventy".