3724145 has 4 divisors (see below), whose sum is σ = 4468980. Its totient is φ = 2979312.

The previous prime is 3724129. The next prime is 3724157. The reversal of 3724145 is 5414273.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1151329 + 2572816 = 1073^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 3724145 - 2⁴ = 3724129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372410 + ... + 372419.

It is an arithmetic number, because the mean of its divisors is an integer number (1117245).

Almost surely, 2^3724145 is an apocalyptic number.

It is an amenable number.

3724145 is a deficient number, since it is larger than the sum of its proper divisors (744835).

3724145 is an equidigital number, since it uses as much as digits as its factorization.

3724145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744834.

The product of its digits is 3360, while the sum is 26.

The square root of 3724145 is about 1929.8043942327. The cubic root of 3724145 is about 155.0037460073.

The spelling of 3724145 in words is "three million, seven hundred twenty-four thousand, one hundred forty-five".