29429442 has 72 divisors (see below), whose sum is σ = 77029056. Its totient is φ = 7953552.

The previous prime is 29429401. The next prime is 29429479. The reversal of 29429442 is 24492492.

It is a junction number, because it is equal to n+sod(n) for n = 29429397 and 29429406.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45163 + ... + 45809.

It is an arithmetic number, because the mean of its divisors is an integer number (1069848).

Almost surely, 2^29429442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29429442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38514528).

29429442 is an abundant number, since it is smaller than the sum of its proper divisors (47599614).

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

29429442 is a wasteful number, since it uses less digits than its factorization.

29429442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 678 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 29429442 is about 5424.8909666462. The cubic root of 29429442 is about 308.7407886798.

The spelling of 29429442 in words is "twenty-nine million, four hundred twenty-nine thousand, four hundred forty-two".