636672106 has 8 divisors (see below), whose sum is σ = 1091437920. Its totient is φ = 272859468.

The previous prime is 636672103. The next prime is 636672107. The reversal of 636672106 is 601276636.

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

It is not an unprimeable number, because it can be changed into a prime (636672103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22738276 + ... + 22738303.

It is an arithmetic number, because the mean of its divisors is an integer number (136429740).

Almost surely, 2^636672106 is an apocalyptic number.

636672106 is a deficient number, since it is larger than the sum of its proper divisors (454765814).

636672106 is a wasteful number, since it uses less digits than its factorization.

636672106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45476588.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 636672106 is about 25232.3622754589. The cubic root of 636672106 is about 860.2775857129.

The spelling of 636672106 in words is "six hundred thirty-six million, six hundred seventy-two thousand, one hundred six".