79066065 has 96 divisors (see below), whose sum is σ = 153490176. Its totient is φ = 34467840.

The previous prime is 79066063. The next prime is 79066069. The reversal of 79066065 is 56066097.

It is a happy number.

It is not a de Polignac number, because 79066065 - 2¹ = 79066063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79066063) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1296135 + ... + 1296195.

It is an arithmetic number, because the mean of its divisors is an integer number (1598856).

Almost surely, 2^79066065 is an apocalyptic number.

It is an amenable number.

79066065 is a deficient number, since it is larger than the sum of its proper divisors (74424111).

79066065 is a wasteful number, since it uses less digits than its factorization.

79066065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 79066065 is about 8891.9100872647. The cubic root of 79066065 is about 429.2036188163.

The spelling of 79066065 in words is "seventy-nine million, sixty-six thousand, sixty-five".