3063721 has 4 divisors (see below), whose sum is σ = 3106944. Its totient is φ = 3020500.

The previous prime is 3063713. The next prime is 3063727. The reversal of 3063721 is 1273603.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1273603 = 67 ⋅19009.

It is a cyclic number.

It is not a de Polignac number, because 3063721 - 2³ = 3063713 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3063692 and 3063701.

It is not an unprimeable number, because it can be changed into a prime (3063727) 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, 21505 + ... + 21646.

It is an arithmetic number, because the mean of its divisors is an integer number (776736).

Almost surely, 2^3063721 is an apocalyptic number.

It is an amenable number.

3063721 is a deficient number, since it is larger than the sum of its proper divisors (43223).

3063721 is an equidigital number, since it uses as much as digits as its factorization.

3063721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43222.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 3063721 is about 1750.3488223780. The cubic root of 3063721 is about 145.2389401690.

The spelling of 3063721 in words is "three million, sixty-three thousand, seven hundred twenty-one".