3105772405 has 8 divisors (see below), whose sum is σ = 3746238552. Its totient is φ = 2471743488.

The previous prime is 3105772393. The next prime is 3105772573. The reversal of 3105772405 is 5042775013.

It can be written as a sum of positive squares in 4 ways, for example, as 84511249 + 3021261156 = 9193^2 + 54966^2 .

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 3105772405 - 2⁷ = 3105772277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608244 + ... + 1610173.

It is an arithmetic number, because the mean of its divisors is an integer number (468279819).

Almost surely, 2^3105772405 is an apocalyptic number.

It is an amenable number.

3105772405 is a deficient number, since it is larger than the sum of its proper divisors (640466147).

3105772405 is a wasteful number, since it uses less digits than its factorization.

3105772405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218615.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 3105772405 is about 55729.4572465945. The cubic root of 3105772405 is about 1459.0042007113.

The spelling of 3105772405 in words is "three billion, one hundred five million, seven hundred seventy-two thousand, four hundred five".