29048681 has 4 divisors (see below), whose sum is σ = 29320272. Its totient is φ = 28777092.

The previous prime is 29048659. The next prime is 29048707. The reversal of 29048681 is 18684092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29048681 is a prime.

It is a super-2 number, since 2×29048681² = 1687651735679522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29048651) 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 3 ways as a sum of consecutive naturals, for example, 135635 + ... + 135848.

It is an arithmetic number, because the mean of its divisors is an integer number (7330068).

Almost surely, 2^29048681 is an apocalyptic number.

It is an amenable number.

29048681 is a deficient number, since it is larger than the sum of its proper divisors (271591).

29048681 is a wasteful number, since it uses less digits than its factorization.

29048681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271590.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 29048681 is about 5389.6828292581. The cubic root of 29048681 is about 307.4034984822.

The spelling of 29048681 in words is "twenty-nine million, forty-eight thousand, six hundred eighty-one".