47748629 has 2 divisors, whose sum is σ = 47748630. Its totient is φ = 47748628.

The previous prime is 47748599. The next prime is 47748661. The reversal of 47748629 is 92684774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47748100 + 529 = 6910^2 + 23^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47748629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47748229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23874314 + 23874315.

It is an arithmetic number, because the mean of its divisors is an integer number (23874315).

Almost surely, 2^47748629 is an apocalyptic number.

It is an amenable number.

47748629 is a deficient number, since it is larger than the sum of its proper divisors (1).

47748629 is an equidigital number, since it uses as much as digits as its factorization.

47748629 is an evil number, because the sum of its binary digits is even.

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

The square root of 47748629 is about 6910.0382777522. The cubic root of 47748629 is about 362.7886031452.

The spelling of 47748629 in words is "forty-seven million, seven hundred forty-eight thousand, six hundred twenty-nine".