29873 has 2 divisors, whose sum is σ = 29874. Its totient is φ = 29872.

The previous prime is 29867. The next prime is 29879. The reversal of 29873 is 37892.

It is a balanced prime because it is at equal distance from previous prime (29867) and next prime (29879).

It can be written as a sum of positive squares in only one way, i.e., 29584 + 289 = 172^2 + 17^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29873 is a prime.

It is a super-2 number, since 2×29873² = 1784792258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14936 + 14937.

It is an arithmetic number, because the mean of its divisors is an integer number (14937).

2²⁹⁸⁷³ is an apocalyptic number.

It is an amenable number.

29873 is a deficient number, since it is larger than the sum of its proper divisors (1).

29873 is an equidigital number, since it uses as much as digits as its factorization.

29873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 29873 is about 172.8380745091. The cubic root of 29873 is about 31.0284165382.

The spelling of 29873 in words is "twenty-nine thousand, eight hundred seventy-three".