47748793 has 4 divisors (see below), whose sum is σ = 47763748. Its totient is φ = 47733840.

The previous prime is 47748751. The next prime is 47748809. The reversal of 47748793 is 39784774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39784774 = 2 ⋅19892387.

It can be written as a sum of positive squares in 2 ways, for example, as 26708224 + 21040569 = 5168^2 + 4587^2 .

It is a cyclic number.

It is not a de Polignac number, because 47748793 - 2²⁵ = 14194361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47748293) 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, 546 + ... + 9787.

It is an arithmetic number, because the mean of its divisors is an integer number (11940937).

Almost surely, 2^47748793 is an apocalyptic number.

It is an amenable number.

47748793 is a deficient number, since it is larger than the sum of its proper divisors (14955).

47748793 is a wasteful number, since it uses less digits than its factorization.

47748793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14954.

The product of its digits is 1185408, while the sum is 49.

The square root of 47748793 is about 6910.0501445359. The cubic root of 47748793 is about 362.7890184958.

The spelling of 47748793 in words is "forty-seven million, seven hundred forty-eight thousand, seven hundred ninety-three".