3333642745 has 8 divisors (see below), whose sum is σ = 4010450184. Its totient is φ = 2660194944.

The previous prime is 3333642733. The next prime is 3333642749. The reversal of 3333642745 is 5472463333.

It can be written as a sum of positive squares in 4 ways, for example, as 519976809 + 2813665936 = 22803^2 + 53044^2 .

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 3333642745 - 2⁹ = 3333642233 is a prime.

It is a super-2 number, since 2×3333642745² = 22226347902582270050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3333642698 and 3333642707.

It is not an unprimeable number, because it can be changed into a prime (3333642749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837724 + ... + 841693.

It is an arithmetic number, because the mean of its divisors is an integer number (501306273).

Almost surely, 2^3333642745 is an apocalyptic number.

It is an amenable number.

3333642745 is a deficient number, since it is larger than the sum of its proper divisors (676807439).

3333642745 is a wasteful number, since it uses less digits than its factorization.

3333642745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679819.

The product of its digits is 544320, while the sum is 40.

The square root of 3333642745 is about 57737.7064404190. The cubic root of 3333642745 is about 1493.8478007194.

The spelling of 3333642745 in words is "three billion, three hundred thirty-three million, six hundred forty-two thousand, seven hundred forty-five".