34719709 has 4 divisors (see below), whose sum is σ = 34749820. Its totient is φ = 34689600.

The previous prime is 34719703. The next prime is 34719733. The reversal of 34719709 is 90791743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90791743 = 7 ⋅12970249.

It can be written as a sum of positive squares in 2 ways, for example, as 17455684 + 17264025 = 4178^2 + 4155^2 .

It is a cyclic number.

It is not a de Polignac number, because 34719709 - 2⁵ = 34719677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34719703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13254 + ... + 15655.

It is an arithmetic number, because the mean of its divisors is an integer number (8687455).

Almost surely, 2^34719709 is an apocalyptic number.

It is an amenable number.

34719709 is a deficient number, since it is larger than the sum of its proper divisors (30111).

34719709 is a wasteful number, since it uses less digits than its factorization.

34719709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30110.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 34719709 is about 5892.3432520518. The cubic root of 34719709 is about 326.2310987616.

The spelling of 34719709 in words is "thirty-four million, seven hundred nineteen thousand, seven hundred nine".