29172011 has 12 divisors (see below), whose sum is σ = 33755400. Its totient is φ = 25122240.

The previous prime is 29171971. The next prime is 29172029. The reversal of 29172011 is 11027192.

It is not a de Polignac number, because 29172011 - 2¹⁴ = 29155627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29172511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4046 + ... + 8643.

It is an arithmetic number, because the mean of its divisors is an integer number (2812950).

Almost surely, 2^29172011 is an apocalyptic number.

29172011 is a deficient number, since it is larger than the sum of its proper divisors (4583389).

29172011 is a wasteful number, since it uses less digits than its factorization.

29172011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12730 (or 12719 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 29172011 is about 5401.1120151317. The cubic root of 29172011 is about 307.8379249323.

The spelling of 29172011 in words is "twenty-nine million, one hundred seventy-two thousand, eleven".