47137994 has 32 divisors (see below), whose sum is σ = 76173696. Its totient is φ = 21827520.

The previous prime is 47137973. The next prime is 47137999. The reversal of 47137994 is 49973174.

It is a happy number.

47137994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47137999) 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 15 ways as a sum of consecutive naturals, for example, 300164 + ... + 300320.

It is an arithmetic number, because the mean of its divisors is an integer number (2380428).

Almost surely, 2^47137994 is an apocalyptic number.

47137994 is a deficient number, since it is larger than the sum of its proper divisors (29035702).

47137994 is a wasteful number, since it uses less digits than its factorization.

47137994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350.

The product of its digits is 190512, while the sum is 44.

The square root of 47137994 is about 6865.7114707800. The cubic root of 47137994 is about 361.2354518153.

The spelling of 47137994 in words is "forty-seven million, one hundred thirty-seven thousand, nine hundred ninety-four".