106730172 has 18 divisors (see below), whose sum is σ = 269790248. Its totient is φ = 35576712.

The previous prime is 106730149. The next prime is 106730191. The reversal of 106730172 is 271037601.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×106730172² = 22782659230299168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1482328 + ... + 1482399.

Almost surely, 2^106730172 is an apocalyptic number.

106730172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

106730172 is an abundant number, since it is smaller than the sum of its proper divisors (163060076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106730172 is a wasteful number, since it uses less digits than its factorization.

106730172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964737 (or 2964732 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 106730172 is about 10331.0295711512. The cubic root of 106730172 is about 474.3465392998.

Adding to 106730172 its reverse (271037601), we get a palindrome (377767773).

The spelling of 106730172 in words is "one hundred six million, seven hundred thirty thousand, one hundred seventy-two".