47668429 has 2 divisors, whose sum is σ = 47668430. Its totient is φ = 47668428.

The previous prime is 47668427. The next prime is 47668433. The reversal of 47668429 is 92486674.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 6734025 = 6398^2 + 2595^2 .

It is a cyclic number.

It is not a de Polignac number, because 47668429 - 2¹ = 47668427 is a prime.

Together with 47668427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47668427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23834214 + 23834215.

It is an arithmetic number, because the mean of its divisors is an integer number (23834215).

Almost surely, 2^47668429 is an apocalyptic number.

It is an amenable number.

47668429 is a deficient number, since it is larger than the sum of its proper divisors (1).

47668429 is an equidigital number, since it uses as much as digits as its factorization.

47668429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 47668429 is about 6904.2326872724. The cubic root of 47668429 is about 362.5853725201.

The spelling of 47668429 in words is "forty-seven million, six hundred sixty-eight thousand, four hundred twenty-nine".