47768429 has 4 divisors (see below), whose sum is σ = 48551580. Its totient is φ = 46985280.

The previous prime is 47768417. The next prime is 47768431. The reversal of 47768429 is 92486774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92486774 = 2 ⋅46243387.

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 37515625 = 3202^2 + 6125^2 .

It is a cyclic number.

It is not a de Polignac number, because 47768429 - 2¹² = 47764333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47768459) 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, 391484 + ... + 391605.

It is an arithmetic number, because the mean of its divisors is an integer number (12137895).

Almost surely, 2^47768429 is an apocalyptic number.

It is an amenable number.

47768429 is a deficient number, since it is larger than the sum of its proper divisors (783151).

47768429 is an equidigital number, since it uses as much as digits as its factorization.

47768429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783150.

The product of its digits is 677376, while the sum is 47.

The square root of 47768429 is about 6911.4708275446. The cubic root of 47768429 is about 362.8387422580.

The spelling of 47768429 in words is "forty-seven million, seven hundred sixty-eight thousand, four hundred twenty-nine".