47322912 has 96 divisors (see below), whose sum is σ = 152917632. Its totient is φ = 12478464.

The previous prime is 47322911. The next prime is 47322923. The reversal of 47322912 is 21922374.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 47322912.

It is not an unprimeable number, because it can be changed into a prime (47322911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6028 + ... + 11444.

It is an arithmetic number, because the mean of its divisors is an integer number (1592892).

Almost surely, 2^47322912 is an apocalyptic number.

47322912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47322912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76458816).

47322912 is an abundant number, since it is smaller than the sum of its proper divisors (105594720).

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

47322912 is a wasteful number, since it uses less digits than its factorization.

47322912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450 (or 5442 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 47322912 is about 6879.1650656166. The cubic root of 47322912 is about 361.7071999234.

The spelling of 47322912 in words is "forty-seven million, three hundred twenty-two thousand, nine hundred twelve".