3947052071 has 8 divisors (see below), whose sum is σ = 4074740304. Its totient is φ = 3820469760.

The previous prime is 3947052037. The next prime is 3947052079. The reversal of 3947052071 is 1702507493.

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 3947052071 - 2⁶ = 3947052007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3947052079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269225 + ... + 283506.

It is an arithmetic number, because the mean of its divisors is an integer number (509342538).

Almost surely, 2^3947052071 is an apocalyptic number.

3947052071 is a deficient number, since it is larger than the sum of its proper divisors (127688233).

3947052071 is a wasteful number, since it uses less digits than its factorization.

3947052071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552961.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 3947052071 is about 62825.5686086485. The cubic root of 3947052071 is about 1580.3657849631.

The spelling of 3947052071 in words is "three billion, nine hundred forty-seven million, fifty-two thousand, seventy-one".