47031712 has 96 divisors (see below), whose sum is σ = 117863424. Its totient is φ = 17971200.

The previous prime is 47031703. The next prime is 47031731. The reversal of 47031712 is 21713074.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90012 + ... + 90532.

It is an arithmetic number, because the mean of its divisors is an integer number (1227744).

Almost surely, 2^47031712 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 47031712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58931712).

47031712 is an abundant number, since it is smaller than the sum of its proper divisors (70831712).

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

47031712 is a wasteful number, since it uses less digits than its factorization.

47031712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 47031712 is about 6857.9670457068. The cubic root of 47031712 is about 360.9637550799.

Adding to 47031712 its reverse (21713074), we get a palindrome (68744786).

The spelling of 47031712 in words is "forty-seven million, thirty-one thousand, seven hundred twelve".