3719665422 has 64 divisors (see below), whose sum is σ = 9058129920. Its totient is φ = 1122076800.

The previous prime is 3719665361. The next prime is 3719665423. The reversal of 3719665422 is 2245669173.

3719665422 is a `hidden beast` number, since 37 + 19 + 66 + 542 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3719665423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118422 + ... + 146502.

It is an arithmetic number, because the mean of its divisors is an integer number (141533280).

Almost surely, 2^3719665422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3719665422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4529064960).

3719665422 is an abundant number, since it is smaller than the sum of its proper divisors (5338464498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3719665422 is a wasteful number, since it uses less digits than its factorization.

3719665422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28326 (or 28320 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 3719665422 is about 60989.0598550265. The cubic root of 3719665422 is about 1549.4157245637.

The spelling of 3719665422 in words is "three billion, seven hundred nineteen million, six hundred sixty-five thousand, four hundred twenty-two".