47440272 has 40 divisors (see below), whose sum is σ = 133696800. Its totient is φ = 14375680.

The previous prime is 47440271. The next prime is 47440273. The reversal of 47440272 is 27204474.

It is an interprime number because it is at equal distance from previous prime (47440271) and next prime (47440273).

It is not an unprimeable number, because it can be changed into a prime (47440271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44397 + ... + 45452.

It is an arithmetic number, because the mean of its divisors is an integer number (3342420).

Almost surely, 2^47440272 is an apocalyptic number.

It is an amenable number.

47440272 is an abundant number, since it is smaller than the sum of its proper divisors (86256528).

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

47440272 is a wasteful number, since it uses less digits than its factorization.

47440272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89871 (or 89865 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 47440272 is about 6887.6898884895. The cubic root of 47440272 is about 362.0059622758.

It can be divided in two parts, 474402 and 72, that added together give a palindrome (474474).

The spelling of 47440272 in words is "forty-seven million, four hundred forty thousand, two hundred seventy-two".