100718725 has 24 divisors (see below), whose sum is σ = 131598720. Its totient is φ = 76317120.

The previous prime is 100718707. The next prime is 100718729. The reversal of 100718725 is 527817001.

It is a happy number.

It is not a de Polignac number, because 100718725 - 2¹⁵ = 100685957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100718729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61872 + ... + 63478.

It is an arithmetic number, because the mean of its divisors is an integer number (5483280).

Almost surely, 2^100718725 is an apocalyptic number.

It is an amenable number.

100718725 is a deficient number, since it is larger than the sum of its proper divisors (30879995).

100718725 is a wasteful number, since it uses less digits than its factorization.

100718725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749 (or 1744 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 100718725 is about 10035.8719103026. The cubic root of 100718725 is about 465.2682384982.

The spelling of 100718725 in words is "one hundred million, seven hundred eighteen thousand, seven hundred twenty-five".