47229072 has 40 divisors (see below), whose sum is σ = 133101600. Its totient is φ = 14311680.

The previous prime is 47229071. The next prime is 47229109. The reversal of 47229072 is 27092274.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (47229071) 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, 44197 + ... + 45252.

It is an arithmetic number, because the mean of its divisors is an integer number (3327540).

Almost surely, 2^47229072 is an apocalyptic number.

It is an amenable number.

47229072 is an abundant number, since it is smaller than the sum of its proper divisors (85872528).

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

47229072 is a wasteful number, since it uses less digits than its factorization.

47229072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89471 (or 89465 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 47229072 is about 6872.3410858309. The cubic root of 47229072 is about 361.4679566569.

The spelling of 47229072 in words is "forty-seven million, two hundred twenty-nine thousand, seventy-two".