47708329 has 2 divisors, whose sum is σ = 47708330. Its totient is φ = 47708328.

The previous prime is 47708293. The next prime is 47708351. The reversal of 47708329 is 92380774.

Together with previous prime (47708293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25401600 + 22306729 = 5040^2 + 4723^2 .

It is a cyclic number.

It is not a de Polignac number, because 47708329 - 2⁹ = 47707817 is a prime.

It is equal to p_2871679 and since 47708329 and 2871679 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 47708291 and 47708300.

It is not a weakly prime, because it can be changed into another prime (47708359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23854164 + 23854165.

It is an arithmetic number, because the mean of its divisors is an integer number (23854165).

Almost surely, 2^47708329 is an apocalyptic number.

It is an amenable number.

47708329 is a deficient number, since it is larger than the sum of its proper divisors (1).

47708329 is an equidigital number, since it uses as much as digits as its factorization.

47708329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 47708329 is about 6907.1216146815. The cubic root of 47708329 is about 362.6865094924.

The spelling of 47708329 in words is "forty-seven million, seven hundred eight thousand, three hundred twenty-nine".