29979072 has 70 divisors (see below), whose sum is σ = 88882728. Its totient is φ = 9991296.

The previous prime is 29979043. The next prime is 29979073. The reversal of 29979072 is 27097992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29979073) 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 9 ways as a sum of consecutive naturals, for example, 2293 + ... + 8075.

Almost surely, 2^29979072 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 29979072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44441364).

29979072 is an abundant number, since it is smaller than the sum of its proper divisors (58903656).

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

29979072 is an equidigital number, since it uses as much as digits as its factorization.

29979072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807 (or 5788 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 29979072 is about 5475.3147854712. The cubic root of 29979072 is about 310.6509802743.

The spelling of 29979072 in words is "twenty-nine million, nine hundred seventy-nine thousand, seventy-two".