47349172 has 12 divisors (see below), whose sum is σ = 89235076. Its totient is φ = 21853440.

The previous prime is 47349151. The next prime is 47349173. The reversal of 47349172 is 27194374.

It can be written as a sum of positive squares in 2 ways, for example, as 14470416 + 32878756 = 3804^2 + 5734^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47349173) 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, 455229 + ... + 455332.

Almost surely, 2^47349172 is an apocalyptic number.

It is an amenable number.

47349172 is a deficient number, since it is larger than the sum of its proper divisors (41885904).

47349172 is a wasteful number, since it uses less digits than its factorization.

47349172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910578 (or 910576 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 47349172 is about 6881.0734627673. The cubic root of 47349172 is about 361.7740926418.

The spelling of 47349172 in words is "forty-seven million, three hundred forty-nine thousand, one hundred seventy-two".