47375689 has 3 divisors (see below), whose sum is σ = 47382573. Its totient is φ = 47368806.

The previous prime is 47375687. The next prime is 47375717. The reversal of 47375689 is 98657374.

It is a happy number.

The square root of 47375689 is 6883.

It is a perfect power (a square), and thus also a powerful number.

47375689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 47375689 - 2¹ = 47375687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47375687) 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 2 ways as a sum of consecutive naturals, for example, 3442 + ... + 10324.

It is an arithmetic number, because the mean of its divisors is an integer number (15794191).

Almost surely, 2^47375689 is an apocalyptic number.

47375689 is the 6883-rd square number.

47375689 is the 3442-nd centered octagonal number.

It is an amenable number.

47375689 is a deficient number, since it is larger than the sum of its proper divisors (6884).

47375689 is an frugal number, since it uses more digits than its factorization.

47375689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13766 (or 6883 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The cubic root of 47375689 is about 361.8416149303.

Multiplying 47375689 by its sum of digits (49), we get a square (2321408761 = 48181²).

The spelling of 47375689 in words is "forty-seven million, three hundred seventy-five thousand, six hundred eighty-nine".