2072945 has 12 divisors (see below), whose sum is σ = 2894004. Its totient is φ = 1421280.

The previous prime is 2072933. The next prime is 2072953. The reversal of 2072945 is 5492702.

It can be written as a sum of positive squares in 2 ways, for example, as 1270129 + 802816 = 1127^2 + 896^2 .

It is not a de Polignac number, because 2072945 - 2¹⁰ = 2071921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3986 + ... + 4475.

It is an arithmetic number, because the mean of its divisors is an integer number (241167).

2^2072945 is an apocalyptic number.

It is an amenable number.

2072945 is a deficient number, since it is larger than the sum of its proper divisors (821059).

2072945 is an equidigital number, since it uses as much as digits as its factorization.

2072945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480 (or 8473 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2072945 is about 1439.7725514817. The cubic root of 2072945 is about 127.5056001641.

The spelling of 2072945 in words is "two million, seventy-two thousand, nine hundred forty-five".