47211132 has 12 divisors (see below), whose sum is σ = 110159336. Its totient is φ = 15737040.

The previous prime is 47211113. The next prime is 47211163. The reversal of 47211132 is 23111274.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 47211099 and 47211108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967119 + ... + 1967142.

Almost surely, 2^47211132 is an apocalyptic number.

It is an amenable number.

47211132 is an abundant number, since it is smaller than the sum of its proper divisors (62948204).

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

47211132 is a wasteful number, since it uses less digits than its factorization.

47211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934268 (or 3934266 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 47211132 is about 6871.0357297863. The cubic root of 47211132 is about 361.4221828985.

The spelling of 47211132 in words is "forty-seven million, two hundred eleven thousand, one hundred thirty-two".