47182512 has 80 divisors (see below), whose sum is σ = 132991488. Its totient is φ = 14327040.

The previous prime is 47182493. The next prime is 47182519. The reversal of 47182512 is 21528174.

It is a self number, because there is not a number n which added to its sum of digits gives 47182512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47182519) 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, 51337 + ... + 52247.

Almost surely, 2^47182512 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 47182512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66495744).

47182512 is an abundant number, since it is smaller than the sum of its proper divisors (85808976).

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

47182512 is a wasteful number, since it uses less digits than its factorization.

47182512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1012 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 47182512 is about 6868.9527586088. The cubic root of 47182512 is about 361.3491351988.

The spelling of 47182512 in words is "forty-seven million, one hundred eighty-two thousand, five hundred twelve".