47143332 has 72 divisors (see below), whose sum is σ = 126526400. Its totient is φ = 14758848.

The previous prime is 47143321. The next prime is 47143367. The reversal of 47143332 is 23334174.

It is a junction number, because it is equal to n+sod(n) for n = 47143296 and 47143305.

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, 107169 + ... + 107607.

Almost surely, 2^47143332 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 47143332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63263200).

47143332 is an abundant number, since it is smaller than the sum of its proper divisors (79383068).

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

47143332 is a wasteful number, since it uses less digits than its factorization.

47143332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 620 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 47143332 is about 6866.1002031721. The cubic root of 47143332 is about 361.2490869738.

The spelling of 47143332 in words is "forty-seven million, one hundred forty-three thousand, three hundred thirty-two".