2997729 has 40 divisors (see below), whose sum is σ = 5436288. Its totient is φ = 1607040.

The previous prime is 2997727. The next prime is 2997737. The reversal of 2997729 is 9277992.

It is not a de Polignac number, because 2997729 - 2¹ = 2997727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997721) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9484 + ... + 9794.

2^2997729 is an apocalyptic number.

It is an amenable number.

2997729 is a deficient number, since it is larger than the sum of its proper divisors (2438559).

2997729 is a wasteful number, since it uses less digits than its factorization.

2997729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 338 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 2997729 is about 1731.3951022225. The cubic root of 2997729 is about 144.1885550796.

The spelling of 2997729 in words is "two million, nine hundred ninety-seven thousand, seven hundred twenty-nine".