2045072 has 10 divisors (see below), whose sum is σ = 3962358. Its totient is φ = 1022528.

The previous prime is 2045053. The next prime is 2045077. The reversal of 2045072 is 2705402.

It can be written as a sum of positive squares in only one way, i.e., 1430416 + 614656 = 1196^2 + 784^2 .

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2045077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63893 + ... + 63924.

2^2045072 is an apocalyptic number.

It is an amenable number.

2045072 is a deficient number, since it is larger than the sum of its proper divisors (1917286).

2045072 is a wasteful number, since it uses less digits than its factorization.

2045072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127825 (or 127819 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2045072 is about 1430.0601385956. The cubic root of 2045072 is about 126.9315356280.

The spelling of 2045072 in words is "two million, forty-five thousand, seventy-two".