34720647764 has 24 divisors (see below), whose sum is σ = 68570560800. Its totient is φ = 15237901280.

The previous prime is 34720647761. The next prime is 34720647769. The reversal of 34720647764 is 46774602743.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34720647761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13603994 + ... + 13606545.

It is an arithmetic number, because the mean of its divisors is an integer number (2857106700).

Almost surely, 2^34720647764 is an apocalyptic number.

It is an amenable number.

34720647764 is a deficient number, since it is larger than the sum of its proper divisors (33849913036).

34720647764 is a wasteful number, since it uses less digits than its factorization.

34720647764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27210583 (or 27210581 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 50.

The spelling of 34720647764 in words is "thirty-four billion, seven hundred twenty million, six hundred forty-seven thousand, seven hundred sixty-four".