49686172 has 12 divisors (see below), whose sum is σ = 92065680. Its totient is φ = 23381696.

The previous prime is 49686163. The next prime is 49686173. The reversal of 49686172 is 27168694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49686173) 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, 365272 + ... + 365407.

It is an arithmetic number, because the mean of its divisors is an integer number (7672140).

Almost surely, 2^49686172 is an apocalyptic number.

It is an amenable number.

49686172 is a deficient number, since it is larger than the sum of its proper divisors (42379508).

49686172 is a wasteful number, since it uses less digits than its factorization.

49686172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730700 (or 730698 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 49686172 is about 7048.8418906938. The cubic root of 49686172 is about 367.6307634684.

It can be divided in two parts, 496 and 86172, that added together give a palindrome (86668).

The spelling of 49686172 in words is "forty-nine million, six hundred eighty-six thousand, one hundred seventy-two".