47791394 has 8 divisors (see below), whose sum is σ = 81928128. Its totient is φ = 20482020.

The previous prime is 47791351. The next prime is 47791411. The reversal of 47791394 is 49319774.

It is a happy number.

47791394 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.

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 3 ways as a sum of consecutive naturals, for example, 1706822 + ... + 1706849.

It is an arithmetic number, because the mean of its divisors is an integer number (10241016).

Almost surely, 2^47791394 is an apocalyptic number.

47791394 is a deficient number, since it is larger than the sum of its proper divisors (34136734).

47791394 is a wasteful number, since it uses less digits than its factorization.

47791394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413680.

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

The square root of 47791394 is about 6913.1319964254. The cubic root of 47791394 is about 362.8968786808.

The spelling of 47791394 in words is "forty-seven million, seven hundred ninety-one thousand, three hundred ninety-four".