3045729 has 16 divisors (see below), whose sum is σ = 4355712. Its totient is φ = 1888128.

The previous prime is 3045727. The next prime is 3045739. The reversal of 3045729 is 9275403.

It is not a de Polignac number, because 3045729 - 2¹ = 3045727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3045696 and 3045705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3045727) 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, 1957 + ... + 3149.

It is an arithmetic number, because the mean of its divisors is an integer number (272232).

Almost surely, 2^3045729 is an apocalyptic number.

It is an amenable number.

3045729 is a deficient number, since it is larger than the sum of its proper divisors (1309983).

3045729 is a wasteful number, since it uses less digits than its factorization.

3045729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 3045729 is about 1745.2017075398. The cubic root of 3045729 is about 144.9540718591.

The spelling of 3045729 in words is "three million, forty-five thousand, seven hundred twenty-nine".