29427842 has 8 divisors (see below), whose sum is σ = 44197500. Its totient is φ = 14695344.

The previous prime is 29427841. The next prime is 29427847. The reversal of 29427842 is 24872492.

It can be written as a sum of positive squares in 2 ways, for example, as 27867841 + 1560001 = 5279^2 + 1249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 29427796 and 29427805.

It is not an unprimeable number, because it can be changed into a prime (29427841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7217 + ... + 10532.

Almost surely, 2^29427842 is an apocalyptic number.

29427842 is a deficient number, since it is larger than the sum of its proper divisors (14769658).

29427842 is a wasteful number, since it uses less digits than its factorization.

29427842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580.

The product of its digits is 64512, while the sum is 38.

The square root of 29427842 is about 5424.7434962402. The cubic root of 29427842 is about 308.7351934416.

The spelling of 29427842 in words is "twenty-nine million, four hundred twenty-seven thousand, eight hundred forty-two".