47136900 has 72 divisors (see below), whose sum is σ = 138366144. Its totient is φ = 12387200.

The previous prime is 47136899. The next prime is 47136917. The reversal of 47136900 is 963174.

It is a happy number.

It is a super-2 number, since 2×47136900² = 4443774683220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 20194 + ... + 22406.

It is an arithmetic number, because the mean of its divisors is an integer number (1921752).

Almost surely, 2^47136900 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 47136900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69183072).

47136900 is an abundant number, since it is smaller than the sum of its proper divisors (91229244).

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

47136900 is a wasteful number, since it uses less digits than its factorization.

47136900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 47136900 is about 6865.6317990408. The cubic root of 47136900 is about 361.2326572215.

The spelling of 47136900 in words is "forty-seven million, one hundred thirty-six thousand, nine hundred".