29873993 has 2 divisors, whose sum is σ = 29873994. Its totient is φ = 29873992.

The previous prime is 29873983. The next prime is 29874011. The reversal of 29873993 is 39937892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15976009 + 13897984 = 3997^2 + 3728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29873993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29873983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14936996 + 14936997.

It is an arithmetic number, because the mean of its divisors is an integer number (14936997).

Almost surely, 2^29873993 is an apocalyptic number.

It is an amenable number.

29873993 is a deficient number, since it is larger than the sum of its proper divisors (1).

29873993 is an equidigital number, since it uses as much as digits as its factorization.

29873993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 50.

The square root of 29873993 is about 5465.7106582767. The cubic root of 29873993 is about 310.2876033667.

The spelling of 29873993 in words is "twenty-nine million, eight hundred seventy-three thousand, nine hundred ninety-three".