29071242 has 48 divisors (see below), whose sum is σ = 66313728. Its totient is φ = 9191520.

The previous prime is 29071223. The next prime is 29071261. The reversal of 29071242 is 24217092.

It is an interprime number because it is at equal distance from previous prime (29071223) and next prime (29071261).

It is a super-2 number, since 2×29071242² = 1690274222845128, which contains 22 as substring.

It is a congruent number.

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, 29083 + ... + 30065.

It is an arithmetic number, because the mean of its divisors is an integer number (1381536).

Almost surely, 2^29071242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29071242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33156864).

29071242 is an abundant number, since it is smaller than the sum of its proper divisors (37242486).

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

29071242 is a wasteful number, since it uses less digits than its factorization.

29071242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 29071242 is about 5391.7754033342. The cubic root of 29071242 is about 307.4830607365.

The spelling of 29071242 in words is "twenty-nine million, seventy-one thousand, two hundred forty-two".