101728706 has 4 divisors (see below), whose sum is σ = 152593062. Its totient is φ = 50864352.

The previous prime is 101728673. The next prime is 101728709. The reversal of 101728706 is 607827101.

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., 101103025 + 625681 = 10055^2 + 791^2 .

It is not an unprimeable number, because it can be changed into a prime (101728709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25432175 + ... + 25432178.

Almost surely, 2^101728706 is an apocalyptic number.

101728706 is a deficient number, since it is larger than the sum of its proper divisors (50864356).

101728706 is an equidigital number, since it uses as much as digits as its factorization.

101728706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50864355.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 101728706 is about 10086.0649412940. The cubic root of 101728706 is about 466.8182649198.

The spelling of 101728706 in words is "one hundred one million, seven hundred twenty-eight thousand, seven hundred six".