30746208061 has 4 divisors (see below), whose sum is σ = 30758643292. Its totient is φ = 30733772832.

The previous prime is 30746208047. The next prime is 30746208071. The reversal of 30746208061 is 16080264703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16080264703 = 337 ⋅47715919.

It can be written as a sum of positive squares in 2 ways, for example, as 28605295161 + 2140912900 = 169131^2 + 46270^2 .

It is a cyclic number.

It is not a de Polignac number, because 30746208061 - 2⁵ = 30746208029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30746208061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30746208071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6213906 + ... + 6218851.

It is an arithmetic number, because the mean of its divisors is an integer number (7689660823).

Almost surely, 2^30746208061 is an apocalyptic number.

It is an amenable number.

30746208061 is a deficient number, since it is larger than the sum of its proper divisors (12435231).

30746208061 is a wasteful number, since it uses less digits than its factorization.

30746208061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12435230.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 30746208061 in words is "thirty billion, seven hundred forty-six million, two hundred eight thousand, sixty-one".