7620065 has 4 divisors (see below), whose sum is σ = 9144084. Its totient is φ = 6096048.

The previous prime is 7620049. The next prime is 7620101. The reversal of 7620065 is 5600267.

7620065 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: 5600267 = 71 ⋅78877.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 3243601 = 2092^2 + 1801^2 .

It is a cyclic number.

It is not a de Polignac number, because 7620065 - 2⁴ = 7620049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762002 + ... + 762011.

It is an arithmetic number, because the mean of its divisors is an integer number (2286021).

Almost surely, 2^7620065 is an apocalyptic number.

It is an amenable number.

7620065 is a deficient number, since it is larger than the sum of its proper divisors (1524019).

7620065 is a wasteful number, since it uses less digits than its factorization.

7620065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524018.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 7620065 is about 2760.4465218511. The cubic root of 7620065 is about 196.7823874477.

The spelling of 7620065 in words is "seven million, six hundred twenty thousand, sixty-five".