100972706 has 4 divisors (see below), whose sum is σ = 151459062. Its totient is φ = 50486352.

The previous prime is 100972687. The next prime is 100972733. The reversal of 100972706 is 607279001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81090025 + 19882681 = 9005^2 + 4459^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25243175 + ... + 25243178.

Almost surely, 2^100972706 is an apocalyptic number.

100972706 is a deficient number, since it is larger than the sum of its proper divisors (50486356).

100972706 is an equidigital number, since it uses as much as digits as its factorization.

100972706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50486355.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 100972706 is about 10048.5176021143. The cubic root of 100972706 is about 465.6589970282.

The spelling of 100972706 in words is "one hundred million, nine hundred seventy-two thousand, seven hundred six".