3420672533 has 4 divisors (see below), whose sum is σ = 3513123180. Its totient is φ = 3328221888.

The previous prime is 3420672529. The next prime is 3420672571. The reversal of 3420672533 is 3352760243.

3420672533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3352760243 = 7 ⋅478965749.

It can be written as a sum of positive squares in 2 ways, for example, as 1970738449 + 1449934084 = 44393^2 + 38078^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420672533 - 2² = 3420672529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420672493 and 3420672502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420672133) 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, 46225268 + ... + 46225341.

It is an arithmetic number, because the mean of its divisors is an integer number (878280795).

Almost surely, 2^3420672533 is an apocalyptic number.

It is an amenable number.

3420672533 is a deficient number, since it is larger than the sum of its proper divisors (92450647).

3420672533 is an equidigital number, since it uses as much as digits as its factorization.

3420672533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92450646.

The product of its (nonzero) digits is 90720, while the sum is 35.

The square root of 3420672533 is about 58486.5158220252. The cubic root of 3420672533 is about 1506.7360067145.

The spelling of 3420672533 in words is "three billion, four hundred twenty million, six hundred seventy-two thousand, five hundred thirty-three".