707985000 has 120 divisors (see below), whose sum is σ = 2396209530. Its totient is φ = 188784000.

The previous prime is 707984999. The next prime is 707985001. The reversal of 707985000 is 589707.

It is an interprime number because it is at equal distance from previous prime (707984999) and next prime (707985001).

It can be written as a sum of positive squares in 5 ways, for example, as 10074276 + 697910724 = 3174^2 + 26418^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (707985001) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 37134 + ... + 52866.

Almost surely, 2^707985000 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 707985000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1198104765).

707985000 is an abundant number, since it is smaller than the sum of its proper divisors (1688224530).

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

707985000 is a wasteful number, since it uses less digits than its factorization.

707985000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15765 (or 15743 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 707985000 is about 26607.9875225467. The cubic root of 707985000 is about 891.2673943417.

The spelling of 707985000 in words is "seven hundred seven million, nine hundred eighty-five thousand".