29074729 has 2 divisors, whose sum is σ = 29074730. Its totient is φ = 29074728.

The previous prime is 29074663. The next prime is 29074739. The reversal of 29074729 is 92747092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 719104 = 5325^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 29074729 - 2⁷ = 29074601 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 29074691 and 29074700.

It is not a weakly prime, because it can be changed into another prime (29074739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14537364 + 14537365.

It is an arithmetic number, because the mean of its divisors is an integer number (14537365).

Almost surely, 2^29074729 is an apocalyptic number.

It is an amenable number.

29074729 is a deficient number, since it is larger than the sum of its proper divisors (1).

29074729 is an equidigital number, since it uses as much as digits as its factorization.

29074729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 29074729 is about 5392.0987565140. The cubic root of 29074729 is about 307.4953541061.

The spelling of 29074729 in words is "twenty-nine million, seventy-four thousand, seven hundred twenty-nine".