34745881 has 2 divisors, whose sum is σ = 34745882. Its totient is φ = 34745880.

The previous prime is 34745873. The next prime is 34745897. The reversal of 34745881 is 18854743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32947600 + 1798281 = 5740^2 + 1341^2 .

It is an emirp because it is prime and its reverse (18854743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34745881 - 2³ = 34745873 is a prime.

It is a super-2 number, since 2×34745881² = 2414552492932322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34745861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17372940 + 17372941.

It is an arithmetic number, because the mean of its divisors is an integer number (17372941).

Almost surely, 2^34745881 is an apocalyptic number.

It is an amenable number.

34745881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34745881 is an equidigital number, since it uses as much as digits as its factorization.

34745881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 40.

The square root of 34745881 is about 5894.5636819022. The cubic root of 34745881 is about 326.3130500614.

The spelling of 34745881 in words is "thirty-four million, seven hundred forty-five thousand, eight hundred eighty-one".