3542729 has 2 divisors, whose sum is σ = 3542730. Its totient is φ = 3542728.

The previous prime is 3542723. The next prime is 3542743. The reversal of 3542729 is 9272453.

It is a happy number.

3542729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3523129 + 19600 = 1877^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 3542729 - 2¹⁶ = 3477193 is a prime.

It is a super-3 number, since 3×3542729³ (a number of 21 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3542695 and 3542704.

It is not a weakly prime, because it can be changed into another prime (3542723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1771364 + 1771365.

It is an arithmetic number, because the mean of its divisors is an integer number (1771365).

Almost surely, 2^3542729 is an apocalyptic number.

It is an amenable number.

3542729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3542729 is an equidigital number, since it uses as much as digits as its factorization.

3542729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 3542729 is about 1882.2138560748. The cubic root of 3542729 is about 152.4448102720. Note that the first 3 decimals are identical.

The spelling of 3542729 in words is "three million, five hundred forty-two thousand, seven hundred twenty-nine".