34709881 has 2 divisors, whose sum is σ = 34709882. Its totient is φ = 34709880.

The previous prime is 34709861. The next prime is 34709887. The reversal of 34709881 is 18890743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30470400 + 4239481 = 5520^2 + 2059^2 .

It is a cyclic number.

It is not a de Polignac number, because 34709881 - 2²¹ = 32612729 is a prime.

It is a super-2 number, since 2×34709881² = 2409551678068322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34709887) 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 as a sum of consecutive naturals, namely, 17354940 + 17354941.

It is an arithmetic number, because the mean of its divisors is an integer number (17354941).

Almost surely, 2^34709881 is an apocalyptic number.

It is an amenable number.

34709881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34709881 is an equidigital number, since it uses as much as digits as its factorization.

34709881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 34709881 is about 5891.5092293911. The cubic root of 34709881 is about 326.2003141160.

The spelling of 34709881 in words is "thirty-four million, seven hundred nine thousand, eight hundred eighty-one".