29087069 has 24 divisors (see below), whose sum is σ = 33659640. Its totient is φ = 25090560.

The previous prime is 29087063. The next prime is 29087129. The reversal of 29087069 is 96078092.

It can be written as a sum of positive squares in 4 ways, for example, as 6400900 + 22686169 = 2530^2 + 4763^2 .

It is not a de Polignac number, because 29087069 - 2⁴ = 29087053 is a prime.

It is a super-2 number, since 2×29087069² = 1692115166021522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29087063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326777 + ... + 326865.

It is an arithmetic number, because the mean of its divisors is an integer number (1402485).

Almost surely, 2^29087069 is an apocalyptic number.

It is an amenable number.

29087069 is a deficient number, since it is larger than the sum of its proper divisors (4572571).

29087069 is a wasteful number, since it uses less digits than its factorization.

29087069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 29087069 is about 5393.2429020025. The cubic root of 29087069 is about 307.5388507107.

The spelling of 29087069 in words is "twenty-nine million, eighty-seven thousand, sixty-nine".