30702868745 has 4 divisors (see below), whose sum is σ = 36843442500. Its totient is φ = 24562294992.

The previous prime is 30702868727. The next prime is 30702868771. The reversal of 30702868745 is 54786820703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17132715664 + 13570153081 = 130892^2 + 116491^2 .

It is a cyclic number.

It is not a de Polignac number, because 30702868745 - 2¹⁰ = 30702867721 is a prime.

It is a super-2 number, since 2×30702868745² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30702868693 and 30702868702.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3070286870 + ... + 3070286879.

It is an arithmetic number, because the mean of its divisors is an integer number (9210860625).

Almost surely, 2^30702868745 is an apocalyptic number.

It is an amenable number.

30702868745 is a deficient number, since it is larger than the sum of its proper divisors (6140573755).

30702868745 is an equidigital number, since it uses as much as digits as its factorization.

30702868745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6140573754.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 30702868745 in words is "thirty billion, seven hundred two million, eight hundred sixty-eight thousand, seven hundred forty-five".