3451729 has 4 divisors (see below), whose sum is σ = 3458484. Its totient is φ = 3444976.

The previous prime is 3451699. The next prime is 3451759. The reversal of 3451729 is 9271543.

3451729 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.

It is an interprime number because it is at equal distance from previous prime (3451699) and next prime (3451759).

It can be written as a sum of positive squares in 2 ways, for example, as 762129 + 2689600 = 873^2 + 1640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3451729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3451729.

It is not an unprimeable number, because it can be changed into a prime (3451759) 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 in 3 ways as a sum of consecutive naturals, for example, 2542 + ... + 3655.

It is an arithmetic number, because the mean of its divisors is an integer number (864621).

Almost surely, 2^3451729 is an apocalyptic number.

It is an amenable number.

3451729 is a deficient number, since it is larger than the sum of its proper divisors (6755).

3451729 is an equidigital number, since it uses as much as digits as its factorization.

3451729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754.

The product of its digits is 7560, while the sum is 31.

The square root of 3451729 is about 1857.8829349558. The cubic root of 3451729 is about 151.1282187995.

The spelling of 3451729 in words is "three million, four hundred fifty-one thousand, seven hundred twenty-nine".