29130318 has 48 divisors (see below), whose sum is σ = 73681920. Its totient is φ = 8144208.

The previous prime is 29130313. The next prime is 29130329. The reversal of 29130318 is 81303192.

It is a super-2 number, since 2×29130318² = 1697150853562248, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29130291 and 29130300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29130313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3463 + ... + 8381.

It is an arithmetic number, because the mean of its divisors is an integer number (1535040).

Almost surely, 2^29130318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29130318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36840960).

29130318 is an abundant number, since it is smaller than the sum of its proper divisors (44551602).

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

29130318 is a wasteful number, since it uses less digits than its factorization.

29130318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981 (or 4978 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 29130318 is about 5397.2509669275. The cubic root of 29130318 is about 307.6911997492.

The spelling of 29130318 in words is "twenty-nine million, one hundred thirty thousand, three hundred eighteen".