34976721 has 16 divisors (see below), whose sum is σ = 52407936. Its totient is φ = 20587776.

The previous prime is 34976719. The next prime is 34976737. The reversal of 34976721 is 12767943.

34976721 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 34976721 - 2¹ = 34976719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 34976721.

It is not an unprimeable number, because it can be changed into a prime (34976771) 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, 18600 + ... + 20393.

It is an arithmetic number, because the mean of its divisors is an integer number (3275496).

Almost surely, 2^34976721 is an apocalyptic number.

It is an amenable number.

34976721 is a deficient number, since it is larger than the sum of its proper divisors (17431215).

34976721 is a wasteful number, since it uses less digits than its factorization.

34976721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39032.

The product of its digits is 63504, while the sum is 39.

The square root of 34976721 is about 5914.1120212590. The cubic root of 34976721 is about 327.0340938369.

The spelling of 34976721 in words is "thirty-four million, nine hundred seventy-six thousand, seven hundred twenty-one".