3507729 has 16 divisors (see below), whose sum is σ = 5005440. Its totient is φ = 2177280.

The previous prime is 3507719. The next prime is 3507731. The reversal of 3507729 is 9277053.

It is not a de Polignac number, because 3507729 - 2⁵ = 3507697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3507729.

It is not an unprimeable number, because it can be changed into a prime (3507709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5244 + ... + 5874.

It is an arithmetic number, because the mean of its divisors is an integer number (312840).

Almost surely, 2^3507729 is an apocalyptic number.

It is an amenable number.

3507729 is a deficient number, since it is larger than the sum of its proper divisors (1497711).

3507729 is a wasteful number, since it uses less digits than its factorization.

3507729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 3507729 is about 1872.8932163901. The cubic root of 3507729 is about 151.9411273620.

The spelling of 3507729 in words is "three million, five hundred seven thousand, seven hundred twenty-nine".