34780609 has 8 divisors (see below), whose sum is σ = 35265672. Its totient is φ = 34298880.

The previous prime is 34780597. The next prime is 34780637. The reversal of 34780609 is 90608743.

It can be written as a sum of positive squares in 4 ways, for example, as 908209 + 33872400 = 953^2 + 5820^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34780609 - 2¹⁵ = 34747841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34780639) 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 7 ways as a sum of consecutive naturals, for example, 25669 + ... + 26989.

It is an arithmetic number, because the mean of its divisors is an integer number (4408209).

Almost surely, 2^34780609 is an apocalyptic number.

It is an amenable number.

34780609 is a deficient number, since it is larger than the sum of its proper divisors (485063).

34780609 is a wasteful number, since it uses less digits than its factorization.

34780609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 34780609 is about 5897.5087113119. The cubic root of 34780609 is about 326.4217289025.

The spelling of 34780609 in words is "thirty-four million, seven hundred eighty thousand, six hundred nine".