47866912 has 36 divisors (see below), whose sum is σ = 96599790. Its totient is φ = 23347968.

The previous prime is 47866873. The next prime is 47866921. The reversal of 47866912 is 21966874.

It can be written as a sum of positive squares in only one way, i.e., 32216976 + 15649936 = 5676^2 + 3956^2 .

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58764 + ... + 59572.

Almost surely, 2^47866912 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 47866912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48299895).

47866912 is an abundant number, since it is smaller than the sum of its proper divisors (48732878).

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

47866912 is an equidigital number, since it uses as much as digits as its factorization.

47866912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 854 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 47866912 is about 6918.5917642249. The cubic root of 47866912 is about 363.0879230088.

The spelling of 47866912 in words is "forty-seven million, eight hundred sixty-six thousand, nine hundred twelve".