47071504 has 40 divisors (see below), whose sum is σ = 98183448. Its totient is φ = 21780480.

The previous prime is 47071499. The next prime is 47071517. The reversal of 47071504 is 40517074.

It can be written as a sum of positive squares in 4 ways, for example, as 176400 + 46895104 = 420^2 + 6848^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15174 + ... + 18010.

Almost surely, 2^47071504 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 47071504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49091724).

47071504 is an abundant number, since it is smaller than the sum of its proper divisors (51111944).

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

47071504 is a wasteful number, since it uses less digits than its factorization.

47071504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923 (or 2917 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 47071504 is about 6860.8675836224. The cubic root of 47071504 is about 361.0655262765.

Adding to 47071504 its reverse (40517074), we get a palindrome (87588578).

The spelling of 47071504 in words is "forty-seven million, seventy-one thousand, five hundred four".