47849472 has 168 divisors, whose sum is σ = 153344880. Its totient is φ = 14254080.

The previous prime is 47849471. The next prime is 47849519. The reversal of 47849472 is 27494874.

It is not an unprimeable number, because it can be changed into a prime (47849471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 810979 + ... + 811037.

Almost surely, 2^47849472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47849472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76672440).

47849472 is an abundant number, since it is smaller than the sum of its proper divisors (105495408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47849472 is a wasteful number, since it uses less digits than its factorization.

47849472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 75 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 47849472 is about 6917.3312773063. The cubic root of 47849472 is about 363.0438214064.

The spelling of 47849472 in words is "forty-seven million, eight hundred forty-nine thousand, four hundred seventy-two".