29442042 has 60 divisors (see below), whose sum is σ = 76763610. Its totient is φ = 8409744.

The previous prime is 29442031. The next prime is 29442043. The reversal of 29442042 is 24024492.

It can be written as a sum of positive squares in only one way, i.e., 27342441 + 2099601 = 5229^2 + 1449^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 29441997 and 29442015.

It is not an unprimeable number, because it can be changed into a prime (29442043) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6084 + ... + 9792.

Almost surely, 2^29442042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29442042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38381805).

29442042 is an abundant number, since it is smaller than the sum of its proper divisors (47321568).

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

29442042 is a wasteful number, since it uses less digits than its factorization.

29442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737 (or 3721 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 29442042 is about 5426.0521560339. The cubic root of 29442042 is about 308.7848440954.

The spelling of 29442042 in words is "twenty-nine million, four hundred forty-two thousand, forty-two".