29942305 has 4 divisors (see below), whose sum is σ = 35930772. Its totient is φ = 23953840.

The previous prime is 29942303. The next prime is 29942327. The reversal of 29942305 is 50324992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19963024 + 9979281 = 4468^2 + 3159^2 .

It is not a de Polignac number, because 29942305 - 2¹ = 29942303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29942303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2994226 + ... + 2994235.

It is an arithmetic number, because the mean of its divisors is an integer number (8982693).

Almost surely, 2^29942305 is an apocalyptic number.

It is an amenable number.

29942305 is a deficient number, since it is larger than the sum of its proper divisors (5988467).

29942305 is an equidigital number, since it uses as much as digits as its factorization.

29942305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988466.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 29942305 is about 5471.9562315501. The cubic root of 29942305 is about 310.5239319003.

The spelling of 29942305 in words is "twenty-nine million, nine hundred forty-two thousand, three hundred five".