29068781 has 8 divisors (see below), whose sum is σ = 33406464. Its totient is φ = 24777360.

The previous prime is 29068777. The next prime is 29068789. The reversal of 29068781 is 18786092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29068781 - 2² = 29068777 is a prime.

It is a super-2 number, since 2×29068781² = 1689988057651922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29068789) 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 7 ways as a sum of consecutive naturals, for example, 10205 + ... + 12738.

It is an arithmetic number, because the mean of its divisors is an integer number (4175808).

Almost surely, 2^29068781 is an apocalyptic number.

It is an amenable number.

29068781 is a deficient number, since it is larger than the sum of its proper divisors (4337683).

29068781 is a wasteful number, since it uses less digits than its factorization.

29068781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23131.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 29068781 is about 5391.5471805410. The cubic root of 29068781 is about 307.4743839238.

The spelling of 29068781 in words is "twenty-nine million, sixty-eight thousand, seven hundred eighty-one".