29923073 has 2 divisors, whose sum is σ = 29923074. Its totient is φ = 29923072.

The previous prime is 29923063. The next prime is 29923093. The reversal of 29923073 is 37032992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26708224 + 3214849 = 5168^2 + 1793^2 .

It is a cyclic number.

It is not a de Polignac number, because 29923073 - 2⁴ = 29923057 is a prime.

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 (29923063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14961536 + 14961537.

It is an arithmetic number, because the mean of its divisors is an integer number (14961537).

Almost surely, 2^29923073 is an apocalyptic number.

It is an amenable number.

29923073 is a deficient number, since it is larger than the sum of its proper divisors (1).

29923073 is an equidigital number, since it uses as much as digits as its factorization.

29923073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 29923073 is about 5470.1986252786. The cubic root of 29923073 is about 310.4574342885.

The spelling of 29923073 in words is "twenty-nine million, nine hundred twenty-three thousand, seventy-three".