29997252 has 72 divisors (see below), whose sum is σ = 79934400. Its totient is φ = 9471168.

The previous prime is 29997239. The next prime is 29997263. The reversal of 29997252 is 25279992.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29997198 and 29997207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61353 + ... + 61839.

It is an arithmetic number, because the mean of its divisors is an integer number (1110200).

Almost surely, 2^29997252 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 29997252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39967200).

29997252 is an abundant number, since it is smaller than the sum of its proper divisors (49937148).

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

29997252 is a wasteful number, since it uses less digits than its factorization.

29997252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 580 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 29997252 is about 5476.9747123754. The cubic root of 29997252 is about 310.7137628891.

The spelling of 29997252 in words is "twenty-nine million, nine hundred ninety-seven thousand, two hundred fifty-two".