3321745 has 8 divisors (see below), whose sum is σ = 4555584. Its totient is φ = 2277744.

The previous prime is 3321739. The next prime is 3321757. The reversal of 3321745 is 5471233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3321745 - 2³ = 3321737 is a prime.

It is a super-2 number, since 2×3321745² = 22067979690050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁴ + 3⁹ + 2¹⁹ + 1 + 7⁷ + 4⁵ + 5⁹ .

It is a Duffinian number.

3321745 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47419 + ... + 47488.

It is an arithmetic number, because the mean of its divisors is an integer number (569448).

Almost surely, 2^3321745 is an apocalyptic number.

3321745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3321745 is a deficient number, since it is larger than the sum of its proper divisors (1233839).

3321745 is an equidigital number, since it uses as much as digits as its factorization.

3321745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94919.

The product of its digits is 2520, while the sum is 25.

The square root of 3321745 is about 1822.5654995089. The cubic root of 3321745 is about 149.2068505217.

Adding to 3321745 its reverse (5471233), we get a palindrome (8792978).

The spelling of 3321745 in words is "three million, three hundred twenty-one thousand, seven hundred forty-five".