47320512 has 56 divisors (see below), whose sum is σ = 125949456. Its totient is φ = 15679488.

The previous prime is 47320487. The next prime is 47320513. The reversal of 47320512 is 21502374.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47320513) 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, 36418 + ... + 37694.

Almost surely, 2^47320512 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 47320512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62974728).

47320512 is an abundant number, since it is smaller than the sum of its proper divisors (78628944).

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

47320512 is a wasteful number, since it uses less digits than its factorization.

47320512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 47320512 is about 6878.9906236308. The cubic root of 47320512 is about 361.7010851126.

Adding to 47320512 its reverse (21502374), we get a palindrome (68822886).

The spelling of 47320512 in words is "forty-seven million, three hundred twenty thousand, five hundred twelve".