47531902272 has 28 divisors (see below), whose sum is σ = 125761491936. Its totient is φ = 15843967360.

The previous prime is 47531902261. The next prime is 47531902279. The reversal of 47531902272 is 27220913574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47531902279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123780804 + ... + 123781187.

Almost surely, 2^47531902272 is an apocalyptic number.

It is an amenable number.

47531902272 is an abundant number, since it is smaller than the sum of its proper divisors (78229589664).

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

47531902272 is a wasteful number, since it uses less digits than its factorization.

47531902272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247562006 (or 247561996 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 47531902272 in words is "forty-seven billion, five hundred thirty-one million, nine hundred two thousand, two hundred seventy-two".