47102900 has 72 divisors (see below), whose sum is σ = 115930080. Its totient is φ = 16467840.

The previous prime is 47102899. The next prime is 47102917. The reversal of 47102900 is 920174.

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, 23747 + ... + 25653.

It is an arithmetic number, because the mean of its divisors is an integer number (1610140).

Almost surely, 2^47102900 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 47102900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57965040).

47102900 is an abundant number, since it is smaller than the sum of its proper divisors (68827180).

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

47102900 is a wasteful number, since it uses less digits than its factorization.

47102900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1946 counting only the distinct ones).

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

The square root of 47102900 is about 6863.1552510489. The cubic root of 47102900 is about 361.1457835654.

The spelling of 47102900 in words is "forty-seven million, one hundred two thousand, nine hundred".