34720658028 has 36 divisors (see below), whose sum is σ = 100304123920. Its totient is φ = 9920187936.

The previous prime is 34720657987. The next prime is 34720658041. The reversal of 34720658028 is 82085602743.

34720658028 is a `hidden beast` number, since 3 + 47 + 2 + 0 + 6 + 580 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68889943 + ... + 68890446.

Almost surely, 2^34720658028 is an apocalyptic number.

It is an amenable number.

34720658028 is an abundant number, since it is smaller than the sum of its proper divisors (65583465892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34720658028 is a wasteful number, since it uses less digits than its factorization.

34720658028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137780406 (or 137780401 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 34720658028 in words is "thirty-four billion, seven hundred twenty million, six hundred fifty-eight thousand, twenty-eight".