29342427 has 4 divisors (see below), whose sum is σ = 39123240. Its totient is φ = 19561616.

The previous prime is 29342413. The next prime is 29342431. The reversal of 29342427 is 72424392.

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

It is a cyclic number.

It is not a de Polignac number, because 29342427 - 2¹⁸ = 29080283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29342407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4890402 + ... + 4890407.

It is an arithmetic number, because the mean of its divisors is an integer number (9780810).

Almost surely, 2^29342427 is an apocalyptic number.

29342427 is a deficient number, since it is larger than the sum of its proper divisors (9780813).

29342427 is an equidigital number, since it uses as much as digits as its factorization.

29342427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9780812.

The product of its digits is 24192, while the sum is 33.

The square root of 29342427 is about 5416.8650527773. The cubic root of 29342427 is about 308.4362002688.

The spelling of 29342427 in words is "twenty-nine million, three hundred forty-two thousand, four hundred twenty-seven".