47303316 has 72 divisors (see below), whose sum is σ = 130089960. Its totient is φ = 14432256.

The previous prime is 47303261. The next prime is 47303323. The reversal of 47303316 is 61330374.

It is a happy number.

47303316 is a `hidden beast` number, since 47 + 303 + 316 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32832900 + 14470416 = 5730^2 + 3804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47303316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21600 + ... + 23688.

It is an arithmetic number, because the mean of its divisors is an integer number (1806805).

Almost surely, 2^47303316 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 47303316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65044980).

47303316 is an abundant number, since it is smaller than the sum of its proper divisors (82786644).

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

47303316 is a wasteful number, since it uses less digits than its factorization.

47303316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 47303316 is about 6877.7406173830. The cubic root of 47303316 is about 361.6572664445.

The spelling of 47303316 in words is "forty-seven million, three hundred three thousand, three hundred sixteen".