3727445 has 8 divisors (see below), whose sum is σ = 4494336. Its totient is φ = 2967696.

The previous prime is 3727441. The next prime is 3727459. The reversal of 3727445 is 5447273.

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 3727445 - 2² = 3727441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3727441) 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, 557 + ... + 2786.

It is an arithmetic number, because the mean of its divisors is an integer number (561792).

Almost surely, 2^3727445 is an apocalyptic number.

3727445 is the 1115-th octagonal number.

It is an amenable number.

3727445 is a deficient number, since it is larger than the sum of its proper divisors (766891).

3727445 is a wasteful number, since it uses less digits than its factorization.

3727445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571.

The product of its digits is 23520, while the sum is 32.

The square root of 3727445 is about 1930.6592138438. The cubic root of 3727445 is about 155.0495159179.

The spelling of 3727445 in words is "three million, seven hundred twenty-seven thousand, four hundred forty-five".