3730145 has 8 divisors (see below), whose sum is σ = 4520256. Its totient is φ = 2954736.

The previous prime is 3730141. The next prime is 3730147. The reversal of 3730145 is 5410373.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3730145 - 2² = 3730141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3730145.

It is not an unprimeable number, because it can be changed into a prime (3730141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3107 + ... + 4136.

It is an arithmetic number, because the mean of its divisors is an integer number (565032).

Almost surely, 2^3730145 is an apocalyptic number.

It is an amenable number.

3730145 is a deficient number, since it is larger than the sum of its proper divisors (790111).

3730145 is a wasteful number, since it uses less digits than its factorization.

3730145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 3730145 is about 1931.3583302950. The cubic root of 3730145 is about 155.0869439375.

The spelling of 3730145 in words is "three million, seven hundred thirty thousand, one hundred forty-five".