3610729 has 2 divisors, whose sum is σ = 3610730. Its totient is φ = 3610728.

The previous prime is 3610723. The next prime is 3610759. The reversal of 3610729 is 9270163.

3610729 = T₁₅₅₀ + T₁₅₅₁ + T₁₅₅₂.

3610729 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., 3610000 + 729 = 1900^2 + 27^2 .

It is a cyclic number.

It is not a de Polignac number, because 3610729 - 2³ = 3610721 is a prime.

It is a super-2 number, since 2×3610729² = 26074727822882, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

3610729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3610697 and 3610706.

It is not a weakly prime, because it can be changed into another prime (3610721) 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, 1805364 + 1805365.

It is an arithmetic number, because the mean of its divisors is an integer number (1805365).

Almost surely, 2^3610729 is an apocalyptic number.

3610729 is the 1552-nd centered triangular number.

It is an amenable number.

3610729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3610729 is an equidigital number, since it uses as much as digits as its factorization.

3610729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 3610729 is about 1900.1918324211. The cubic root of 3610729 is about 153.4139898067.

The spelling of 3610729 in words is "three million, six hundred ten thousand, seven hundred twenty-nine".