29147305 has 16 divisors (see below), whose sum is σ = 39190464. Its totient is φ = 20623680.

The previous prime is 29147267. The next prime is 29147317. The reversal of 29147305 is 50374192.

It is a de Polignac number, because none of the positive numbers 2^k-29147305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5127 + ... + 9196.

It is an arithmetic number, because the mean of its divisors is an integer number (2449404).

Almost surely, 2^29147305 is an apocalyptic number.

It is an amenable number.

29147305 is a deficient number, since it is larger than the sum of its proper divisors (10043159).

29147305 is a wasteful number, since it uses less digits than its factorization.

29147305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14376.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 29147305 is about 5398.8244090728. The cubic root of 29147305 is about 307.7509969539.

The spelling of 29147305 in words is "twenty-nine million, one hundred forty-seven thousand, three hundred five".