29049427 has 4 divisors (see below), whose sum is σ = 31690296. Its totient is φ = 26408560.

The previous prime is 29049409. The next prime is 29049473. The reversal of 29049427 is 72494092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29049427 - 2¹¹ = 29047379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29049497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320418 + ... + 1320439.

It is an arithmetic number, because the mean of its divisors is an integer number (7922574).

Almost surely, 2^29049427 is an apocalyptic number.

29049427 is a deficient number, since it is larger than the sum of its proper divisors (2640869).

29049427 is a wasteful number, since it uses less digits than its factorization.

29049427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640868.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 29049427 is about 5389.7520351126. The cubic root of 29049427 is about 307.4061299390.

It can be divided in two parts, 290494 and 27, that added together give a square (290521 = 539²).

The spelling of 29049427 in words is "twenty-nine million, forty-nine thousand, four hundred twenty-seven".