3974895727 has 4 divisors (see below), whose sum is σ = 4336249896. Its totient is φ = 3613541560.

The previous prime is 3974895689. The next prime is 3974895731. The reversal of 3974895727 is 7275984793.

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

It is a cyclic number.

It is not a de Polignac number, because 3974895727 - 2¹¹ = 3974893679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974895227) 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, 180677068 + ... + 180677089.

It is an arithmetic number, because the mean of its divisors is an integer number (1084062474).

Almost surely, 2^3974895727 is an apocalyptic number.

3974895727 is a deficient number, since it is larger than the sum of its proper divisors (361354169).

3974895727 is a wasteful number, since it uses less digits than its factorization.

3974895727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361354168.

The product of its digits is 26671680, while the sum is 61.

The square root of 3974895727 is about 63046.7741204893. The cubic root of 3974895727 is about 1584.0732011743.

The spelling of 3974895727 in words is "three billion, nine hundred seventy-four million, eight hundred ninety-five thousand, seven hundred twenty-seven".