34736981 has 2 divisors, whose sum is σ = 34736982. Its totient is φ = 34736980.

The previous prime is 34736971. The next prime is 34737023. The reversal of 34736981 is 18963743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31460881 + 3276100 = 5609^2 + 1810^2 .

It is an emirp because it is prime and its reverse (18963743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34736981 - 2¹⁸ = 34474837 is a prime.

It is a super-2 number, since 2×34736981² = 2413315697988722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34736941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17368490 + 17368491.

It is an arithmetic number, because the mean of its divisors is an integer number (17368491).

Almost surely, 2^34736981 is an apocalyptic number.

It is an amenable number.

34736981 is a deficient number, since it is larger than the sum of its proper divisors (1).

34736981 is an equidigital number, since it uses as much as digits as its factorization.

34736981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 34736981 is about 5893.8087006621. The cubic root of 34736981 is about 326.2851864791.

The spelling of 34736981 in words is "thirty-four million, seven hundred thirty-six thousand, nine hundred eighty-one".