29427845 has 8 divisors (see below), whose sum is σ = 35415576. Its totient is φ = 23474176.

The previous prime is 29427841. The next prime is 29427847. The reversal of 29427845 is 54872492.

It can be written as a sum of positive squares in 4 ways, for example, as 7656289 + 21771556 = 2767^2 + 4666^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29427845 - 2² = 29427841 is a prime.

It is a super-2 number, since 2×29427845² = 1731996122688050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6572 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (4426947).

Almost surely, 2^29427845 is an apocalyptic number.

It is an amenable number.

29427845 is a deficient number, since it is larger than the sum of its proper divisors (5987731).

29427845 is a wasteful number, since it uses less digits than its factorization.

29427845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17031.

The product of its digits is 161280, while the sum is 41.

The square root of 29427845 is about 5424.7437727509. The cubic root of 29427845 is about 308.7352039329.

The spelling of 29427845 in words is "twenty-nine million, four hundred twenty-seven thousand, eight hundred forty-five".