29142330 has 64 divisors (see below), whose sum is σ = 81070848. Its totient is φ = 6566400.

The previous prime is 29142319. The next prime is 29142331. The reversal of 29142330 is 3324192.

It is a self number, because there is not a number n which added to its sum of digits gives 29142330.

It is not an unprimeable number, because it can be changed into a prime (29142331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14380 + ... + 16280.

It is an arithmetic number, because the mean of its divisors is an integer number (1266732).

Almost surely, 2^29142330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29142330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40535424).

29142330 is an abundant number, since it is smaller than the sum of its proper divisors (51928518).

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

29142330 is a wasteful number, since it uses less digits than its factorization.

29142330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 29142330 is about 5398.3636409564. The cubic root of 29142330 is about 307.7334864920.

The spelling of 29142330 in words is "twenty-nine million, one hundred forty-two thousand, three hundred thirty".