2064739 has 4 divisors (see below), whose sum is σ = 2095624. Its totient is φ = 2033856.

The previous prime is 2064737. The next prime is 2064761. The reversal of 2064739 is 9374602.

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

It is a cyclic number.

It is not a de Polignac number, because 2064739 - 2¹ = 2064737 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 0 + 6⁷ + 4² + 7³ + 3¹³ + 9⁵ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064739.

It is not an unprimeable number, because it can be changed into a prime (2064737) 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, 15342 + ... + 15475.

It is an arithmetic number, because the mean of its divisors is an integer number (523906).

2^2064739 is an apocalyptic number.

2064739 is a deficient number, since it is larger than the sum of its proper divisors (30885).

2064739 is an equidigital number, since it uses as much as digits as its factorization.

2064739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30884.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2064739 is about 1436.9199699357. The cubic root of 2064739 is about 127.3371289556.

The spelling of 2064739 in words is "two million, sixty-four thousand, seven hundred thirty-nine".