29742443 has 2 divisors, whose sum is σ = 29742444. Its totient is φ = 29742442.

The previous prime is 29742421. The next prime is 29742457. The reversal of 29742443 is 34424792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29742443 - 2¹⁰ = 29741419 is a prime.

It is a super-2 number, since 2×29742443² = 1769225831216498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29742143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14871221 + 14871222.

It is an arithmetic number, because the mean of its divisors is an integer number (14871222).

Almost surely, 2^29742443 is an apocalyptic number.

29742443 is a deficient number, since it is larger than the sum of its proper divisors (1).

29742443 is an equidigital number, since it uses as much as digits as its factorization.

29742443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 29742443 is about 5453.6632642656. The cubic root of 29742443 is about 309.8314831589.

The spelling of 29742443 in words is "twenty-nine million, seven hundred forty-two thousand, four hundred forty-three".