3727321 has 8 divisors (see below), whose sum is σ = 4040960. Its totient is φ = 3417552.

The previous prime is 3727313. The next prime is 3727387. The reversal of 3727321 is 1237273.

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 3727321 - 2³ = 3727313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3727621) 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, 1240 + ... + 2998.

It is an arithmetic number, because the mean of its divisors is an integer number (505120).

Almost surely, 2^3727321 is an apocalyptic number.

It is an amenable number.

3727321 is a deficient number, since it is larger than the sum of its proper divisors (313639).

3727321 is a wasteful number, since it uses less digits than its factorization.

3727321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its digits is 1764, while the sum is 25.

The square root of 3727321 is about 1930.6271001931. The cubic root of 3727321 is about 155.0477965674.

The spelling of 3727321 in words is "three million, seven hundred twenty-seven thousand, three hundred twenty-one".