47945994 has 8 divisors (see below), whose sum is σ = 95892000. Its totient is φ = 15981996.

The previous prime is 47945993. The next prime is 47945999. The reversal of 47945994 is 49954974.

It is a happy number.

47945994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

47945994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (47945993) 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 3 ways as a sum of consecutive naturals, for example, 3995494 + ... + 3995505.

It is an arithmetic number, because the mean of its divisors is an integer number (11986500).

Almost surely, 2^47945994 is an apocalyptic number.

47945994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47945994 is a wasteful number, since it uses less digits than its factorization.

47945994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991004.

The product of its digits is 1632960, while the sum is 51.

The square root of 47945994 is about 6924.3045860216. The cubic root of 47945994 is about 363.2877682294.

The spelling of 47945994 in words is "forty-seven million, nine hundred forty-five thousand, nine hundred ninety-four".