47286172 has 6 divisors (see below), whose sum is σ = 82750808. Its totient is φ = 23643084.

The previous prime is 47286157. The next prime is 47286203. The reversal of 47286172 is 27168274.

47286172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5910768 + ... + 5910775.

Almost surely, 2^47286172 is an apocalyptic number.

It is an amenable number.

47286172 is a deficient number, since it is larger than the sum of its proper divisors (35464636).

47286172 is a wasteful number, since it uses less digits than its factorization.

47286172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11821547 (or 11821545 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 47286172 is about 6876.4941649070. The cubic root of 47286172 is about 361.6135697097.

The spelling of 47286172 in words is "forty-seven million, two hundred eighty-six thousand, one hundred seventy-two".