47210900 has 72 divisors (see below), whose sum is σ = 112867776. Its totient is φ = 16998400.

The previous prime is 47210899. The next prime is 47210903. The reversal of 47210900 is 901274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47210903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183572 + ... + 183828.

It is an arithmetic number, because the mean of its divisors is an integer number (1567608).

Almost surely, 2^47210900 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 47210900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56433888).

47210900 is an abundant number, since it is smaller than the sum of its proper divisors (65656876).

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

47210900 is a wasteful number, since it uses less digits than its factorization.

47210900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 47210900 is about 6871.0188473035. The cubic root of 47210900 is about 361.4215908766.

The spelling of 47210900 in words is "forty-seven million, two hundred ten thousand, nine hundred".