34980781 has 16 divisors (see below), whose sum is σ = 40609728. Its totient is φ = 29779200.

The previous prime is 34980779. The next prime is 34980791. The reversal of 34980781 is 18708943.

34980781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34980781 - 2¹ = 34980779 is a prime.

It is a super-2 number, since 2×34980781² = 2447310078739922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34980721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52591 + ... + 53251.

It is an arithmetic number, because the mean of its divisors is an integer number (2538108).

Almost surely, 2^34980781 is an apocalyptic number.

It is an amenable number.

34980781 is a deficient number, since it is larger than the sum of its proper divisors (5628947).

34980781 is a wasteful number, since it uses less digits than its factorization.

34980781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

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

The square root of 34980781 is about 5914.4552580944. The cubic root of 34980781 is about 327.0467470818.

The spelling of 34980781 in words is "thirty-four million, nine hundred eighty thousand, seven hundred eighty-one".