47920243 has 8 divisors (see below), whose sum is σ = 55537920. Its totient is φ = 40495560.

The previous prime is 47920237. The next prime is 47920273. The reversal of 47920243 is 34202974.

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

It is not a de Polignac number, because 47920243 - 2⁹ = 47919731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47920273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47713 + ... + 48706.

It is an arithmetic number, because the mean of its divisors is an integer number (6942240).

Almost surely, 2^47920243 is an apocalyptic number.

47920243 is a deficient number, since it is larger than the sum of its proper divisors (7617677).

47920243 is an equidigital number, since it uses as much as digits as its factorization.

47920243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96497.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 47920243 is about 6922.4448715754. Note that the first 3 decimals coincide. The cubic root of 47920243 is about 363.2227179660. Note that the first 3 decimals are identical.

The spelling of 47920243 in words is "forty-seven million, nine hundred twenty thousand, two hundred forty-three".