100738172 has 6 divisors (see below), whose sum is σ = 176291808. Its totient is φ = 50369084.

The previous prime is 100738159. The next prime is 100738177. The reversal of 100738172 is 271837001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100738177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12592268 + ... + 12592275.

It is an arithmetic number, because the mean of its divisors is an integer number (29381968).

Almost surely, 2^100738172 is an apocalyptic number.

It is an amenable number.

100738172 is a deficient number, since it is larger than the sum of its proper divisors (75553636).

100738172 is a wasteful number, since it uses less digits than its factorization.

100738172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25184547 (or 25184545 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 100738172 is about 10036.8407380012. The cubic root of 100738172 is about 465.2981815869.

The spelling of 100738172 in words is "one hundred million, seven hundred thirty-eight thousand, one hundred seventy-two".