3701540 has 12 divisors (see below), whose sum is σ = 7773276. Its totient is φ = 1480608.

The previous prime is 3701539. The next prime is 3701543. The reversal of 3701540 is 451073.

It is a happy number.

3701540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 952576 + 2748964 = 976^2 + 1658^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 185077 = 3701540 / (3 + 7 + 0 + 1 + 5 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (3701543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92519 + ... + 92558.

It is an arithmetic number, because the mean of its divisors is an integer number (647773).

Almost surely, 2^3701540 is an apocalyptic number.

It is an amenable number.

3701540 is an abundant number, since it is smaller than the sum of its proper divisors (4071736).

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

3701540 is a wasteful number, since it uses less digits than its factorization.

3701540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185086 (or 185084 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 3701540 is about 1923.9386684611. The cubic root of 3701540 is about 154.6894928492.

The spelling of 3701540 in words is "three million, seven hundred one thousand, five hundred forty".