29979043 has 2 divisors, whose sum is σ = 29979044. Its totient is φ = 29979042.

The previous prime is 29979029. The next prime is 29979073. The reversal of 29979043 is 34097992.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29979043 is a prime.

It is not a weakly prime, because it can be changed into another prime (29979073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14989521 + 14989522.

It is an arithmetic number, because the mean of its divisors is an integer number (14989522).

Almost surely, 2^29979043 is an apocalyptic number.

29979043 is a deficient number, since it is larger than the sum of its proper divisors (1).

29979043 is an equidigital number, since it uses as much as digits as its factorization.

29979043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 29979043 is about 5475.3121372210. The cubic root of 29979043 is about 310.6508801058.

The spelling of 29979043 in words is "twenty-nine million, nine hundred seventy-nine thousand, forty-three".