918070688 has 48 divisors (see below), whose sum is σ = 1863747144. Its totient is φ = 444887040.

The previous prime is 918070687. The next prime is 918070697. The reversal of 918070688 is 886070819.

It can be written as a sum of positive squares in 4 ways, for example, as 557526544 + 360544144 = 23612^2 + 18988^2 .

It is not an unprimeable number, because it can be changed into a prime (918070687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203756 + ... + 208212.

Almost surely, 2^918070688 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 918070688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931873572).

918070688 is an abundant number, since it is smaller than the sum of its proper divisors (945676456).

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

918070688 is a wasteful number, since it uses less digits than its factorization.

918070688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 918070688 is about 30299.6813184561. The cubic root of 918070688 is about 971.9084854596.

The spelling of 918070688 in words is "nine hundred eighteen million, seventy thousand, six hundred eighty-eight".