29172234 has 96 divisors (see below), whose sum is σ = 75809664. Its totient is φ = 7286400.

The previous prime is 29172233. The next prime is 29172287. The reversal of 29172234 is 43227192.

29172234 = 1492² + 1493² + ... + 1504².

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29172233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288784 + ... + 288884.

It is an arithmetic number, because the mean of its divisors is an integer number (789684).

Almost surely, 2^29172234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29172234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37904832).

29172234 is an abundant number, since it is smaller than the sum of its proper divisors (46637430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29172234 is a wasteful number, since it uses less digits than its factorization.

29172234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 149 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 29172234 is about 5401.1326589892. The cubic root of 29172234 is about 307.8387093335.

It can be divided in two parts, 2917 and 2234, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 29172234 in words is "twenty-nine million, one hundred seventy-two thousand, two hundred thirty-four".