3719791 has 2 divisors, whose sum is σ = 3719792. Its totient is φ = 3719790.

The previous prime is 3719789. The next prime is 3719797. The reversal of 3719791 is 1979173.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3719791 - 2¹ = 3719789 is a prime.

Together with 3719789, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3719791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3719797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1859895 + 1859896.

It is an arithmetic number, because the mean of its divisors is an integer number (1859896).

Almost surely, 2^3719791 is an apocalyptic number.

3719791 is a deficient number, since it is larger than the sum of its proper divisors (1).

3719791 is an equidigital number, since it uses as much as digits as its factorization.

3719791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11907, while the sum is 37.

The square root of 3719791 is about 1928.6759707115. The cubic root of 3719791 is about 154.9433160750.

The spelling of 3719791 in words is "three million, seven hundred nineteen thousand, seven hundred ninety-one".