2729442 has 8 divisors (see below), whose sum is σ = 5458896. Its totient is φ = 909812.

The previous prime is 2729437. The next prime is 2729443. The reversal of 2729442 is 2449272.

2729442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2729442 is an admirable number.

It is a d-powerful number, because it can be written as 2⁷ + 7⁴ + 2¹⁵ + 9⁶ + 4² + 4⁸ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2729443) 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, 227448 + ... + 227459.

It is an arithmetic number, because the mean of its divisors is an integer number (682362).

2^2729442 is an apocalyptic number.

2729442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2729442 is a wasteful number, since it uses less digits than its factorization.

2729442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454912.

The product of its digits is 8064, while the sum is 30.

The square root of 2729442 is about 1652.1022970749. The cubic root of 2729442 is about 139.7519758255.

The spelling of 2729442 in words is "two million, seven hundred twenty-nine thousand, four hundred forty-two".