47728463 has 4 divisors (see below), whose sum is σ = 48537480. Its totient is φ = 46919448.

The previous prime is 47728441. The next prime is 47728477. The reversal of 47728463 is 36482774.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47728463 - 2⁸ = 47728207 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 47728463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47728063) 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, 404420 + ... + 404537.

It is an arithmetic number, because the mean of its divisors is an integer number (12134370).

Almost surely, 2^47728463 is an apocalyptic number.

47728463 is a deficient number, since it is larger than the sum of its proper divisors (809017).

47728463 is an equidigital number, since it uses as much as digits as its factorization.

47728463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809016.

The product of its digits is 225792, while the sum is 41.

The square root of 47728463 is about 6908.5789421559. The cubic root of 47728463 is about 362.7375229690.

The spelling of 47728463 in words is "forty-seven million, seven hundred twenty-eight thousand, four hundred sixty-three".