38726172 has 18 divisors (see below), whose sum is σ = 97891248. Its totient is φ = 12908712.

The previous prime is 38726147. The next prime is 38726173. The reversal of 38726172 is 27162783.

38726172 is a `hidden beast` number, since 38 + 7 + 2 + 617 + 2 = 666.

38726172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1075727 = 38726172 / (3 + 8 + 7 + 2 + 6 + 1 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38726173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537828 + ... + 537899.

Almost surely, 2^38726172 is an apocalyptic number.

It is an amenable number.

38726172 is an abundant number, since it is smaller than the sum of its proper divisors (59165076).

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

38726172 is a wasteful number, since it uses less digits than its factorization.

38726172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075737 (or 1075732 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 38726172 is about 6223.0355936633. The cubic root of 38726172 is about 338.3255968744.

The spelling of 38726172 in words is "thirty-eight million, seven hundred twenty-six thousand, one hundred seventy-two".