3937971071 has 4 divisors (see below), whose sum is σ = 3938118144. Its totient is φ = 3937824000.

The previous prime is 3937971067. The next prime is 3937971077. The reversal of 3937971071 is 1701797393.

It is a happy number.

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 3937971071 - 2² = 3937971067 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 (3937971077) 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, 20735 + ... + 91136.

It is an arithmetic number, because the mean of its divisors is an integer number (984529536).

Almost surely, 2^3937971071 is an apocalyptic number.

3937971071 is a deficient number, since it is larger than the sum of its proper divisors (147073).

3937971071 is a wasteful number, since it uses less digits than its factorization.

3937971071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147072.

The product of its (nonzero) digits is 250047, while the sum is 47.

The square root of 3937971071 is about 62753.2554613703. The cubic root of 3937971071 is about 1579.1528694709.

The spelling of 3937971071 in words is "three billion, nine hundred thirty-seven million, nine hundred seventy-one thousand, seventy-one".