34709581 has 2 divisors, whose sum is σ = 34709582. Its totient is φ = 34709580.

The previous prime is 34709573. The next prime is 34709603. The reversal of 34709581 is 18590743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30969225 + 3740356 = 5565^2 + 1934^2 .

It is a cyclic number.

It is not a de Polignac number, because 34709581 - 2³ = 34709573 is a prime.

It is a super-2 number, since 2×34709581² = 2409510026391122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34709581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34709501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17354790 + 17354791.

It is an arithmetic number, because the mean of its divisors is an integer number (17354791).

Almost surely, 2^34709581 is an apocalyptic number.

It is an amenable number.

34709581 is a deficient number, since it is larger than the sum of its proper divisors (1).

34709581 is an equidigital number, since it uses as much as digits as its factorization.

34709581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 34709581 is about 5891.4837689669. The cubic root of 34709581 is about 326.1993743224.

The spelling of 34709581 in words is "thirty-four million, seven hundred nine thousand, five hundred eighty-one".