3719540 has 72 divisors (see below), whose sum is σ = 9049320. Its totient is φ = 1281280.

The previous prime is 3719539. The next prime is 3719563. The reversal of 3719540 is 459173.

It can be written as a sum of positive squares in 4 ways, for example, as 698896 + 3020644 = 836^2 + 1738^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 70154 + ... + 70206.

It is an arithmetic number, because the mean of its divisors is an integer number (125685).

Almost surely, 2^3719540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3719540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4524660).

3719540 is an abundant number, since it is smaller than the sum of its proper divisors (5329780).

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

3719540 is a wasteful number, since it uses less digits than its factorization.

3719540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 3719540 is about 1928.6108990670. The cubic root of 3719540 is about 154.9398309646.

The spelling of 3719540 in words is "three million, seven hundred nineteen thousand, five hundred forty".