100718005 has 8 divisors (see below), whose sum is σ = 121561272. Its totient is φ = 80107968.

The previous prime is 100718003. The next prime is 100718011. The reversal of 100718005 is 500817001.

It can be written as a sum of positive squares in 4 ways, for example, as 22819729 + 77898276 = 4777^2 + 8826^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100718005 - 2¹ = 100718003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100718003) 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, 57354 + ... + 59083.

It is an arithmetic number, because the mean of its divisors is an integer number (15195159).

Almost surely, 2^100718005 is an apocalyptic number.

It is an amenable number.

100718005 is a deficient number, since it is larger than the sum of its proper divisors (20843267).

100718005 is a wasteful number, since it uses less digits than its factorization.

100718005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116615.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 100718005 is about 10035.8360389157. The cubic root of 100718005 is about 465.2671298201.

The spelling of 100718005 in words is "one hundred million, seven hundred eighteen thousand, five".