47679029 has 2 divisors, whose sum is σ = 47679030. Its totient is φ = 47679028.

The previous prime is 47678993. The next prime is 47679041. The reversal of 47679029 is 92097674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47679025 + 4 = 6905^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 47679029 - 2⁸ = 47678773 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47679059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23839514 + 23839515.

It is an arithmetic number, because the mean of its divisors is an integer number (23839515).

Almost surely, 2^47679029 is an apocalyptic number.

It is an amenable number.

47679029 is a deficient number, since it is larger than the sum of its proper divisors (1).

47679029 is an equidigital number, since it uses as much as digits as its factorization.

47679029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 47679029 is about 6905.0002896452. Note that the first 3 decimals coincide. The cubic root of 47679029 is about 362.6122464923.

The spelling of 47679029 in words is "forty-seven million, six hundred seventy-nine thousand, twenty-nine".