47189725 has 24 divisors (see below), whose sum is σ = 64504800. Its totient is φ = 33960000.

The previous prime is 47189717. The next prime is 47189741. The reversal of 47189725 is 52798174.

47189725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47189725 - 2³ = 47189717 is a prime.

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 in 23 ways as a sum of consecutive naturals, for example, 26926 + ... + 28624.

It is an arithmetic number, because the mean of its divisors is an integer number (2687700).

Almost surely, 2^47189725 is an apocalyptic number.

It is an amenable number.

47189725 is a deficient number, since it is larger than the sum of its proper divisors (17315075).

47189725 is a wasteful number, since it uses less digits than its factorization.

47189725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821 (or 1816 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 47189725 is about 6869.4777821899. The cubic root of 47189725 is about 361.3675479426.

The spelling of 47189725 in words is "forty-seven million, one hundred eighty-nine thousand, seven hundred twenty-five".