34208725 has 6 divisors (see below), whose sum is σ = 42418850. Its totient is φ = 27366960.

The previous prime is 34208701. The next prime is 34208729. The reversal of 34208725 is 52780243.

It can be written as a sum of positive squares in 3 ways, for example, as 21316 + 34187409 = 146^2 + 5847^2 .

It is not a de Polignac number, because 34208725 - 2¹⁵ = 34175957 is a prime.

It is a super-2 number, since 2×34208725² = 2340473732251250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34208729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 684150 + ... + 684199.

Almost surely, 2^34208725 is an apocalyptic number.

It is an amenable number.

34208725 is a deficient number, since it is larger than the sum of its proper divisors (8210125).

34208725 is a wasteful number, since it uses less digits than its factorization.

34208725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368359 (or 1368354 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 34208725 is about 5848.8225310741. The cubic root of 34208725 is about 324.6227575530.

Adding to 34208725 its reverse (52780243), we get a palindrome (86988968).

The spelling of 34208725 in words is "thirty-four million, two hundred eight thousand, seven hundred twenty-five".