3373781 has 2 divisors, whose sum is σ = 3373782. Its totient is φ = 3373780.

The previous prime is 3373763. The next prime is 3373787. The reversal of 3373781 is 1873733.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3118756 + 255025 = 1766^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 3373781 - 2⁶ = 3373717 is a prime.

It is a super-2 number, since 2×3373781² = 22764796471922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3373787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1686890 + 1686891.

It is an arithmetic number, because the mean of its divisors is an integer number (1686891).

Almost surely, 2^3373781 is an apocalyptic number.

It is an amenable number.

3373781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3373781 is an equidigital number, since it uses as much as digits as its factorization.

3373781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 32.

The square root of 3373781 is about 1836.7855073470. The cubic root of 3373781 is about 149.9819385661.

The spelling of 3373781 in words is "three million, three hundred seventy-three thousand, seven hundred eighty-one".