47272444 has 24 divisors (see below), whose sum is σ = 88473168. Its totient is φ = 22022400.

The previous prime is 47272417. The next prime is 47272451. The reversal of 47272444 is 44427274.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3427 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (3686382).

Almost surely, 2^47272444 is an apocalyptic number.

It is an amenable number.

47272444 is a deficient number, since it is larger than the sum of its proper divisors (41200724).

47272444 is a wasteful number, since it uses less digits than its factorization.

47272444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7005 (or 7003 counting only the distinct ones).

The product of its digits is 50176, while the sum is 34.

The square root of 47272444 is about 6875.4959093872. The cubic root of 47272444 is about 361.5785720817.

The spelling of 47272444 in words is "forty-seven million, two hundred seventy-two thousand, four hundred forty-four".