29725345 has 16 divisors (see below), whose sum is σ = 38601360. Its totient is φ = 21844224.

The previous prime is 29725343. The next prime is 29725363. The reversal of 29725345 is 54352792.

It can be written as a sum of positive squares in 8 ways, for example, as 2934369 + 26790976 = 1713^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 29725345 - 2¹ = 29725343 is a prime.

It is a super-2 number, since 2×29725345² = 1767192270738050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29725343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13887 + ... + 15883.

It is an arithmetic number, because the mean of its divisors is an integer number (2412585).

Almost surely, 2^29725345 is an apocalyptic number.

It is an amenable number.

29725345 is a deficient number, since it is larger than the sum of its proper divisors (8876015).

29725345 is a wasteful number, since it uses less digits than its factorization.

29725345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244.

The product of its digits is 75600, while the sum is 37.

The square root of 29725345 is about 5452.0954687166. The cubic root of 29725345 is about 309.7721009696.

The spelling of 29725345 in words is "twenty-nine million, seven hundred twenty-five thousand, three hundred forty-five".