47737332 has 18 divisors (see below), whose sum is σ = 120669458. Its totient is φ = 15912432.

The previous prime is 47737297. The next prime is 47737337. The reversal of 47737332 is 23373774.

It can be written as a sum of positive squares in only one way, i.e., 26998416 + 20738916 = 5196^2 + 4554^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1326037 = 47737332 / (4 + 7 + 7 + 3 + 7 + 3 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47737337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662983 + ... + 663054.

Almost surely, 2^47737332 is an apocalyptic number.

It is an amenable number.

47737332 is an abundant number, since it is smaller than the sum of its proper divisors (72932126).

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

47737332 is a wasteful number, since it uses less digits than its factorization.

47737332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326047 (or 1326042 counting only the distinct ones).

The product of its digits is 74088, while the sum is 36.

The square root of 47737332 is about 6909.2207954298. The cubic root of 47737332 is about 362.7599897854.

The spelling of 47737332 in words is "forty-seven million, seven hundred thirty-seven thousand, three hundred thirty-two".