47313504 has 96 divisors (see below), whose sum is σ = 157731840. Its totient is φ = 13516416.

The previous prime is 47313503. The next prime is 47313509. The reversal of 47313504 is 40531374.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47313503) 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, 2137 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (1643040).

Almost surely, 2^47313504 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 47313504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78865920).

47313504 is an abundant number, since it is smaller than the sum of its proper divisors (110418336).

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

47313504 is a wasteful number, since it uses less digits than its factorization.

47313504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849 (or 7835 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 47313504 is about 6878.4812277130. The cubic root of 47313504 is about 361.6832286818.

Adding to 47313504 its reverse (40531374), we get a palindrome (87844878).

The spelling of 47313504 in words is "forty-seven million, three hundred thirteen thousand, five hundred four".