29768129 has 2 divisors, whose sum is σ = 29768130. Its totient is φ = 29768128.

The previous prime is 29768113. The next prime is 29768143. The reversal of 29768129 is 92186792.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24601600 + 5166529 = 4960^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 29768129 - 2⁴ = 29768113 is a prime.

It is a super-2 number, since 2×29768129² = 1772283008321282, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29768129.

It is not a weakly prime, because it can be changed into another prime (29768429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14884064 + 14884065.

It is an arithmetic number, because the mean of its divisors is an integer number (14884065).

Almost surely, 2^29768129 is an apocalyptic number.

It is an amenable number.

29768129 is a deficient number, since it is larger than the sum of its proper divisors (1).

29768129 is an equidigital number, since it uses as much as digits as its factorization.

29768129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 29768129 is about 5456.0176869215. The cubic root of 29768129 is about 309.9206491318.

The spelling of 29768129 in words is "twenty-nine million, seven hundred sixty-eight thousand, one hundred twenty-nine".