3712145 has 8 divisors (see below), whose sum is σ = 4608360. Its totient is φ = 2867200.

The previous prime is 3712141. The next prime is 3712169. The reversal of 3712145 is 5412173.

It can be written as a sum of positive squares in 4 ways, for example, as 1615441 + 2096704 = 1271^2 + 1448^2 .

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

It is not a de Polignac number, because 3712145 - 2² = 3712141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3712145.

It is not an unprimeable number, because it can be changed into a prime (3712141) 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, 12656 + ... + 12945.

It is an arithmetic number, because the mean of its divisors is an integer number (576045).

Almost surely, 2^3712145 is an apocalyptic number.

It is an amenable number.

3712145 is a deficient number, since it is larger than the sum of its proper divisors (896215).

3712145 is a wasteful number, since it uses less digits than its factorization.

3712145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25635.

The product of its digits is 840, while the sum is 23.

The square root of 3712145 is about 1926.6927622224. The cubic root of 3712145 is about 154.8370816804.

The spelling of 3712145 in words is "three million, seven hundred twelve thousand, one hundred forty-five".