29451072 has 112 divisors (see below), whose sum is σ = 94366080. Its totient is φ = 7913472.

The previous prime is 29451031. The next prime is 29451073. The reversal of 29451072 is 27015492.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29451073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22204 + ... + 23492.

Almost surely, 2^29451072 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 29451072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47183040).

29451072 is an abundant number, since it is smaller than the sum of its proper divisors (64915008).

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

29451072 is a wasteful number, since it uses less digits than its factorization.

29451072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 29451072 is about 5426.8841889246. The cubic root of 29451072 is about 308.8164094119.

The spelling of 29451072 in words is "twenty-nine million, four hundred fifty-one thousand, seventy-two".