29994272 has 144 divisors (see below), whose sum is σ = 78599808. Its totient is φ = 11128320.

The previous prime is 29994271. The next prime is 29994287. The reversal of 29994272 is 27249992.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (29994271) 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 23 ways as a sum of consecutive naturals, for example, 638153 + ... + 638199.

It is an arithmetic number, because the mean of its divisors is an integer number (545832).

Almost surely, 2^29994272 is an apocalyptic number.

29994272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29994272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39299904).

29994272 is an abundant number, since it is smaller than the sum of its proper divisors (48605536).

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

29994272 is a wasteful number, since it uses less digits than its factorization.

29994272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 104 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 29994272 is about 5476.7026576216. The cubic root of 29994272 is about 310.7034735280.

The spelling of 29994272 in words is "twenty-nine million, nine hundred ninety-four thousand, two hundred seventy-two".