2071745 has 8 divisors (see below), whose sum is σ = 2677416. Its totient is φ = 1529856.

The previous prime is 2071733. The next prime is 2071753. The reversal of 2071745 is 5471702.

It can be written as a sum of positive squares in 4 ways, for example, as 1024 + 2070721 = 32^2 + 1439^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2071745 - 2⁶ = 2071681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15872 + ... + 16001.

It is an arithmetic number, because the mean of its divisors is an integer number (334677).

2^2071745 is an apocalyptic number.

It is an amenable number.

2071745 is a deficient number, since it is larger than the sum of its proper divisors (605671).

2071745 is a wasteful number, since it uses less digits than its factorization.

2071745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31891.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 2071745 is about 1439.3557586643. The cubic root of 2071745 is about 127.4809916556.

The spelling of 2071745 in words is "two million, seventy-one thousand, seven hundred forty-five".