47737272 has 128 divisors (see below), whose sum is σ = 141926400. Its totient is φ = 13219200.

The previous prime is 47737271. The next prime is 47737279. The reversal of 47737272 is 27273774.

47737272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47737272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47737271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155343 + ... + 155649.

It is an arithmetic number, because the mean of its divisors is an integer number (1108800).

Almost surely, 2^47737272 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 47737272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70963200).

47737272 is an abundant number, since it is smaller than the sum of its proper divisors (94189128).

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

47737272 is a wasteful number, since it uses less digits than its factorization.

47737272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 373 counting only the distinct ones).

The product of its digits is 115248, while the sum is 39.

The square root of 47737272 is about 6909.2164534048. The cubic root of 47737272 is about 362.7598378036.

The spelling of 47737272 in words is "forty-seven million, seven hundred thirty-seven thousand, two hundred seventy-two".