2342729 has 4 divisors (see below), whose sum is σ = 2406084. Its totient is φ = 2279376.

The previous prime is 2342723. The next prime is 2342731. The reversal of 2342729 is 9272432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 1261129 = 1040^2 + 1123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2342729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2342723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31622 + ... + 31695.

It is an arithmetic number, because the mean of its divisors is an integer number (601521).

2^2342729 is an apocalyptic number.

It is an amenable number.

2342729 is a deficient number, since it is larger than the sum of its proper divisors (63355).

2342729 is an equidigital number, since it uses as much as digits as its factorization.

2342729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63354.

The product of its digits is 6048, while the sum is 29.

The square root of 2342729 is about 1530.5975957122. The cubic root of 2342729 is about 132.8130299125.

The spelling of 2342729 in words is "two million, three hundred forty-two thousand, seven hundred twenty-nine".