3679729 has 2 divisors, whose sum is σ = 3679730. Its totient is φ = 3679728.

The previous prime is 3679693. The next prime is 3679751. The reversal of 3679729 is 9279763.

3679729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 950625 = 1652^2 + 975^2 .

It is a cyclic number.

It is not a de Polignac number, because 3679729 - 2⁷ = 3679601 is a prime.

It is not a weakly prime, because it can be changed into another prime (3679759) 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, 1839864 + 1839865.

It is an arithmetic number, because the mean of its divisors is an integer number (1839865).

Almost surely, 2^3679729 is an apocalyptic number.

It is an amenable number.

3679729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3679729 is an equidigital number, since it uses as much as digits as its factorization.

3679729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 43.

The square root of 3679729 is about 1918.2619737669. The cubic root of 3679729 is about 154.3850626954.

The spelling of 3679729 in words is "three million, six hundred seventy-nine thousand, seven hundred twenty-nine".