34725405 has 32 divisors (see below), whose sum is σ = 65278080. Its totient is φ = 15540480.

The previous prime is 34725403. The next prime is 34725413. The reversal of 34725405 is 50452743.

34725405 = T₁₀₀₁ + T₁₀₀₂ + ... + T₁₀₆₅.

34725405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34725405 - 2¹ = 34725403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34725403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5950 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (2039940).

Almost surely, 2^34725405 is an apocalyptic number.

It is an amenable number.

34725405 is a deficient number, since it is larger than the sum of its proper divisors (30552675).

34725405 is a wasteful number, since it uses less digits than its factorization.

34725405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16221.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 34725405 is about 5892.8265713493. The cubic root of 34725405 is about 326.2489379158.

It can be divided in two parts, 347 and 25405, that added together give a palindrome (25752).

The spelling of 34725405 in words is "thirty-four million, seven hundred twenty-five thousand, four hundred five".