47279194 has 4 divisors (see below), whose sum is σ = 70918794. Its totient is φ = 23639596.

The previous prime is 47279161. The next prime is 47279213. The reversal of 47279194 is 49197274.

47279194 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.

It can be written as a sum of positive squares in only one way, i.e., 29106025 + 18173169 = 5395^2 + 4263^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47279194.

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 as a sum of consecutive naturals, namely, 11819797 + ... + 11819800.

Almost surely, 2^47279194 is an apocalyptic number.

47279194 is a deficient number, since it is larger than the sum of its proper divisors (23639600).

47279194 is a wasteful number, since it uses less digits than its factorization.

47279194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23639599.

The product of its digits is 127008, while the sum is 43.

The square root of 47279194 is about 6875.9867655486. The cubic root of 47279194 is about 361.5957811151.

The spelling of 47279194 in words is "forty-seven million, two hundred seventy-nine thousand, one hundred ninety-four".