29442731 has 2 divisors, whose sum is σ = 29442732. Its totient is φ = 29442730.

The previous prime is 29442689. The next prime is 29442733. The reversal of 29442731 is 13724492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29442731 - 2¹⁸ = 29180587 is a prime.

It is a super-2 number, since 2×29442731² = 1733748817476722, which contains 22 as substring.

Together with 29442733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29442733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14721365 + 14721366.

It is an arithmetic number, because the mean of its divisors is an integer number (14721366).

Almost surely, 2^29442731 is an apocalyptic number.

29442731 is a deficient number, since it is larger than the sum of its proper divisors (1).

29442731 is an equidigital number, since it uses as much as digits as its factorization.

29442731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 29442731 is about 5426.1156456530. The cubic root of 29442731 is about 308.7872527949.

The spelling of 29442731 in words is "twenty-nine million, four hundred forty-two thousand, seven hundred thirty-one".