47318900 has 36 divisors (see below), whose sum is σ = 103347552. Its totient is φ = 18804960.

The previous prime is 47318899. The next prime is 47318917. The reversal of 47318900 is 981374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14849 + ... + 17751.

Almost surely, 2^47318900 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 47318900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51673776).

47318900 is an abundant number, since it is smaller than the sum of its proper divisors (56028652).

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

47318900 is a wasteful number, since it uses less digits than its factorization.

47318900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080 (or 3073 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 47318900 is about 6878.8734542801. The cubic root of 47318900 is about 361.6969778820.

It can be divided in two parts, 4731 and 8900, that added together give a palindrome (13631).

The spelling of 47318900 in words is "forty-seven million, three hundred eighteen thousand, nine hundred".