3723145 has 8 divisors (see below), whose sum is σ = 4703040. Its totient is φ = 2821680.

The previous prime is 3723121. The next prime is 3723149. The reversal of 3723145 is 5413273.

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

It is not a de Polignac number, because 3723145 - 2¹¹ = 3721097 is a prime.

3723145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3723149) 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, 19501 + ... + 19690.

It is an arithmetic number, because the mean of its divisors is an integer number (587880).

Almost surely, 2^3723145 is an apocalyptic number.

It is an amenable number.

3723145 is a deficient number, since it is larger than the sum of its proper divisors (979895).

3723145 is a wasteful number, since it uses less digits than its factorization.

3723145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39215.

The product of its digits is 2520, while the sum is 25.

The square root of 3723145 is about 1929.5452832209. The cubic root of 3723145 is about 154.9898709996.

The spelling of 3723145 in words is "three million, seven hundred twenty-three thousand, one hundred forty-five".