47229747 has 8 divisors (see below), whose sum is σ = 63104256. Its totient is φ = 31420872.

The previous prime is 47229737. The next prime is 47229751. The reversal of 47229747 is 74792274.

47229747 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 not a de Polignac number, because 47229747 - 2⁶ = 47229683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47229699 and 47229708.

It is not an unprimeable number, because it can be changed into a prime (47229737) 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 7 ways as a sum of consecutive naturals, for example, 14703 + ... + 17624.

It is an arithmetic number, because the mean of its divisors is an integer number (7888032).

Almost surely, 2^47229747 is an apocalyptic number.

47229747 is a deficient number, since it is larger than the sum of its proper divisors (15874509).

47229747 is a wasteful number, since it uses less digits than its factorization.

47229747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32817.

The product of its digits is 197568, while the sum is 42.

The square root of 47229747 is about 6872.3901955579. The cubic root of 47229747 is about 361.4696786874.

The spelling of 47229747 in words is "forty-seven million, two hundred twenty-nine thousand, seven hundred forty-seven".