3719790720 has 192 divisors, whose sum is σ = 12877502040. Its totient is φ = 989429760.

The previous prime is 3719790707. The next prime is 3719790751. The reversal of 3719790720 is 270979173.

It can be written as a sum of positive squares in 4 ways, for example, as 3713196096 + 6594624 = 60936^2 + 2568^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3806872 + ... + 3807848.

Almost surely, 2^3719790720 is an apocalyptic number.

3719790720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3719790720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6438751020).

3719790720 is an abundant number, since it is smaller than the sum of its proper divisors (9157711320).

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

3719790720 is a wasteful number, since it uses less digits than its factorization.

3719790720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 3719790720 is about 60990.0870633909. The cubic root of 3719790720 is about 1549.4331218732.

The spelling of 3719790720 in words is "three billion, seven hundred nineteen million, seven hundred ninety thousand, seven hundred twenty".