47216737 has 4 divisors (see below), whose sum is σ = 47241216. Its totient is φ = 47192260.

The previous prime is 47216731. The next prime is 47216747. The reversal of 47216737 is 73761274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73761274 = 2 ⋅36880637.

It is a cyclic number.

It is not a de Polignac number, because 47216737 - 2¹⁹ = 46692449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47216696 and 47216705.

It is not an unprimeable number, because it can be changed into a prime (47216731) 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 3 ways as a sum of consecutive naturals, for example, 9073 + ... + 13294.

It is an arithmetic number, because the mean of its divisors is an integer number (11810304).

Almost surely, 2^47216737 is an apocalyptic number.

It is an amenable number.

47216737 is a deficient number, since it is larger than the sum of its proper divisors (24479).

47216737 is a wasteful number, since it uses less digits than its factorization.

47216737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24478.

The product of its digits is 49392, while the sum is 37.

The square root of 47216737 is about 6871.4435892322. The cubic root of 47216737 is about 361.4364852540.

The spelling of 47216737 in words is "forty-seven million, two hundred sixteen thousand, seven hundred thirty-seven".