2070739 has 4 divisors (see below), whose sum is σ = 2259000. Its totient is φ = 1882480.

The previous prime is 2070737. The next prime is 2070749. The reversal of 2070739 is 9370702.

It is a happy number.

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 2070739 - 2¹ = 2070737 is a prime.

It is a super-2 number, since 2×2070739² = 8575920012242, which contains 22 as substring.

It is a Duffinian number.

2070739 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2070737) 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, 94114 + ... + 94135.

It is an arithmetic number, because the mean of its divisors is an integer number (564750).

2^2070739 is an apocalyptic number.

2070739 is a deficient number, since it is larger than the sum of its proper divisors (188261).

2070739 is a wasteful number, since it uses less digits than its factorization.

2070739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188260.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 2070739 is about 1439.0062543297. The cubic root of 2070739 is about 127.4603541992.

It can be divided in two parts, 2070 and 739, that added together give a square (2809 = 53²).

The spelling of 2070739 in words is "two million, seventy thousand, seven hundred thirty-nine".