47249532 has 54 divisors (see below), whose sum is σ = 131293344. Its totient is φ = 14316720.

The previous prime is 47249491. The next prime is 47249533. The reversal of 47249532 is 23594274.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47249533) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1068 + ... + 9779.

Almost surely, 2^47249532 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 47249532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65646672).

47249532 is an abundant number, since it is smaller than the sum of its proper divisors (84043812).

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

47249532 is a wasteful number, since it uses less digits than its factorization.

47249532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10879 (or 10863 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 47249532 is about 6873.8295003586. The cubic root of 47249532 is about 361.5201460281.

The spelling of 47249532 in words is "forty-seven million, two hundred forty-nine thousand, five hundred thirty-two".