47228737 has 16 divisors (see below), whose sum is σ = 53386560. Its totient is φ = 41513472.

The previous prime is 47228659. The next prime is 47228747. The reversal of 47228737 is 73782274.

It is a cyclic number.

It is not a de Polignac number, because 47228737 - 2¹⁵ = 47195969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47228737.

It is not an unprimeable number, because it can be changed into a prime (47228747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22578 + ... + 24580.

It is an arithmetic number, because the mean of its divisors is an integer number (3336660).

Almost surely, 2^47228737 is an apocalyptic number.

It is an amenable number.

47228737 is a deficient number, since it is larger than the sum of its proper divisors (6157823).

47228737 is a wasteful number, since it uses less digits than its factorization.

47228737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112.

The product of its digits is 131712, while the sum is 40.

The square root of 47228737 is about 6872.3167127250. The cubic root of 47228737 is about 361.4671020135.

The spelling of 47228737 in words is "forty-seven million, two hundred twenty-eight thousand, seven hundred thirty-seven".