7072865 has 4 divisors (see below), whose sum is σ = 8487444. Its totient is φ = 5658288.

The previous prime is 7072853. The next prime is 7072873. The reversal of 7072865 is 5682707.

7072865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5682707 = 79 ⋅71933.

It can be written as a sum of positive squares in 2 ways, for example, as 1507984 + 5564881 = 1228^2 + 2359^2 .

It is a cyclic number.

It is not a de Polignac number, because 7072865 - 2⁶ = 7072801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 707282 + ... + 707291.

It is an arithmetic number, because the mean of its divisors is an integer number (2121861).

Almost surely, 2^7072865 is an apocalyptic number.

It is an amenable number.

7072865 is a deficient number, since it is larger than the sum of its proper divisors (1414579).

7072865 is a wasteful number, since it uses less digits than its factorization.

7072865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414578.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 7072865 is about 2659.4858525662. The cubic root of 7072865 is about 191.9545700530.

The spelling of 7072865 in words is "seven million, seventy-two thousand, eight hundred sixty-five".