34742609 has 12 divisors (see below), whose sum is σ = 39508980. Its totient is φ = 30492000.

The previous prime is 34742597. The next prime is 34742623. The reversal of 34742609 is 90624743.

It can be written as a sum of positive squares in 2 ways, for example, as 27300625 + 7441984 = 5225^2 + 2728^2 .

It is not a de Polignac number, because 34742609 - 2²⁰ = 33694033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34742629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1442 + ... + 8459.

It is an arithmetic number, because the mean of its divisors is an integer number (3292415).

Almost surely, 2^34742609 is an apocalyptic number.

It is an amenable number.

34742609 is a deficient number, since it is larger than the sum of its proper divisors (4766371).

34742609 is a wasteful number, since it uses less digits than its factorization.

34742609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9952 (or 9941 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 34742609 is about 5894.2861315006. The cubic root of 34742609 is about 326.3028068347.

The spelling of 34742609 in words is "thirty-four million, seven hundred forty-two thousand, six hundred nine".