29040345 has 24 divisors (see below), whose sum is σ = 50863176. Its totient is φ = 15326208.

The previous prime is 29040317. The next prime is 29040353. The reversal of 29040345 is 54304092.

It can be written as a sum of positive squares in 4 ways, for example, as 9801 + 29030544 = 99^2 + 5388^2 .

It is not a de Polignac number, because 29040345 - 2⁷ = 29040217 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1039 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (2119299).

Almost surely, 2^29040345 is an apocalyptic number.

It is an amenable number.

29040345 is a deficient number, since it is larger than the sum of its proper divisors (21822831).

29040345 is a wasteful number, since it uses less digits than its factorization.

29040345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761 (or 6758 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 29040345 is about 5388.9094444052. The cubic root of 29040345 is about 307.3740908277.

The spelling of 29040345 in words is "twenty-nine million, forty thousand, three hundred forty-five".