29027947 has 6 divisors (see below), whose sum is σ = 31432812. Its totient is φ = 26794872.

The previous prime is 29027849. The next prime is 29027983. The reversal of 29027947 is 74972092.

It is not a de Polignac number, because 29027947 - 2⁷ = 29027819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29027987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85713 + ... + 86050.

It is an arithmetic number, because the mean of its divisors is an integer number (5238802).

Almost surely, 2^29027947 is an apocalyptic number.

29027947 is a deficient number, since it is larger than the sum of its proper divisors (2404865).

29027947 is a wasteful number, since it uses less digits than its factorization.

29027947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171789 (or 171776 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 29027947 is about 5387.7589960948. The cubic root of 29027947 is about 307.3303428808.

The spelling of 29027947 in words is "twenty-nine million, twenty-seven thousand, nine hundred forty-seven".