47749223 has 8 divisors (see below), whose sum is σ = 50488320. Its totient is φ = 45032760.

The previous prime is 47749199. The next prime is 47749241. The reversal of 47749223 is 32294774.

47749223 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 a cyclic number.

It is not a de Polignac number, because 47749223 - 2⁶ = 47749159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47749253) 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, 1223 + ... + 9848.

It is an arithmetic number, because the mean of its divisors is an integer number (6311040).

Almost surely, 2^47749223 is an apocalyptic number.

47749223 is a deficient number, since it is larger than the sum of its proper divisors (2739097).

47749223 is a wasteful number, since it uses less digits than its factorization.

47749223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11317.

The product of its digits is 84672, while the sum is 38.

The square root of 47749223 is about 6910.0812585671. The cubic root of 47749223 is about 362.7901075203.

The spelling of 47749223 in words is "forty-seven million, seven hundred forty-nine thousand, two hundred twenty-three".