34720658057 has 8 divisors (see below), whose sum is σ = 34770762792. Its totient is φ = 34670592000.

The previous prime is 34720658051. The next prime is 34720658087. The reversal of 34720658057 is 75085602743.

It can be written as a sum of positive squares in 4 ways, for example, as 20788160761 + 13932497296 = 144181^2 + 118036^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34720658057 - 2⁴ = 34720658041 is a prime.

It is a super-2 number, since 2×34720658057² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34720658051) 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 7 ways as a sum of consecutive naturals, for example, 2106713 + ... + 2123129.

It is an arithmetic number, because the mean of its divisors is an integer number (4346345349).

Almost surely, 2^34720658057 is an apocalyptic number.

It is an amenable number.

34720658057 is a deficient number, since it is larger than the sum of its proper divisors (50104735).

34720658057 is a wasteful number, since it uses less digits than its factorization.

34720658057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19339.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 34720658057 in words is "thirty-four billion, seven hundred twenty million, six hundred fifty-eight thousand, fifty-seven".