3781968071 has 8 divisors (see below), whose sum is σ = 4328509824. Its totient is φ = 3236991480.

The previous prime is 3781968049. The next prime is 3781968077. The reversal of 3781968071 is 1708691873.

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 3781968071 - 2⁶ = 3781968007 is a prime.

It is a super-2 number, since 2×3781968071² = 28606564980126922082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781968077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386105 + ... + 395778.

It is an arithmetic number, because the mean of its divisors is an integer number (541063728).

Almost surely, 2^3781968071 is an apocalyptic number.

3781968071 is a deficient number, since it is larger than the sum of its proper divisors (546541753).

3781968071 is an equidigital number, since it uses as much as digits as its factorization.

3781968071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782581.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 3781968071 is about 61497.7078515939. The cubic root of 3781968071 is about 1558.0185327780.

The spelling of 3781968071 in words is "three billion, seven hundred eighty-one million, nine hundred sixty-eight thousand, seventy-one".