47245943 has 4 divisors (see below), whose sum is σ = 47269968. Its totient is φ = 47221920.

The previous prime is 47245931. The next prime is 47245969. The reversal of 47245943 is 34954274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47245943 - 2⁶ = 47245879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47245897 and 47245906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47245973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8771 + ... + 13092.

It is an arithmetic number, because the mean of its divisors is an integer number (11817492).

Almost surely, 2^47245943 is an apocalyptic number.

47245943 is a deficient number, since it is larger than the sum of its proper divisors (24025).

47245943 is a wasteful number, since it uses less digits than its factorization.

47245943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24024.

The product of its digits is 120960, while the sum is 38.

The square root of 47245943 is about 6873.5684327720. The cubic root of 47245943 is about 361.5109922961.

The spelling of 47245943 in words is "forty-seven million, two hundred forty-five thousand, nine hundred forty-three".