29223072 has 96 divisors (see below), whose sum is σ = 86184000. Its totient is φ = 9633024.

The previous prime is 29223071. The next prime is 29223107. The reversal of 29223072 is 27032292.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (29223071) 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 15 ways as a sum of consecutive naturals, for example, 128623 + ... + 128849.

It is an arithmetic number, because the mean of its divisors is an integer number (897750).

Almost surely, 2^29223072 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 29223072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43092000).

29223072 is an abundant number, since it is smaller than the sum of its proper divisors (56960928).

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

29223072 is a wasteful number, since it uses less digits than its factorization.

29223072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 29223072 is about 5405.8368454847. The cubic root of 29223072 is about 308.0174274729.

The spelling of 29223072 in words is "twenty-nine million, two hundred twenty-three thousand, seventy-two".