3728741 has 4 divisors (see below), whose sum is σ = 3792000. Its totient is φ = 3665484.

The previous prime is 3728719. The next prime is 3728743. The reversal of 3728741 is 1478273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3728741 - 2¹⁸ = 3466597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3728698 and 3728707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31541 + ... + 31658.

It is an arithmetic number, because the mean of its divisors is an integer number (948000).

Almost surely, 2^3728741 is an apocalyptic number.

It is an amenable number.

3728741 is a deficient number, since it is larger than the sum of its proper divisors (63259).

3728741 is an equidigital number, since it uses as much as digits as its factorization.

3728741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63258.

The product of its digits is 9408, while the sum is 32.

The square root of 3728741 is about 1930.9948213292. The cubic root of 3728741 is about 155.0674836221.

The spelling of 3728741 in words is "three million, seven hundred twenty-eight thousand, seven hundred forty-one".