29288272 has 40 divisors (see below), whose sum is σ = 64336160. Its totient is φ = 12804480.

The previous prime is 29288267. The next prime is 29288279. The reversal of 29288272 is 27288292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29288279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247 + ... + 7657.

It is an arithmetic number, because the mean of its divisors is an integer number (1608404).

Almost surely, 2^29288272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29288272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32168080).

29288272 is an abundant number, since it is smaller than the sum of its proper divisors (35047888).

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

29288272 is a wasteful number, since it uses less digits than its factorization.

29288272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7451 (or 7445 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 29288272 is about 5411.8640042041. The cubic root of 29288272 is about 308.2463313008.

The spelling of 29288272 in words is "twenty-nine million, two hundred eighty-eight thousand, two hundred seventy-two".