79165073 has 8 divisors (see below), whose sum is σ = 90269928. Its totient is φ = 68776704.

The previous prime is 79165067. The next prime is 79165081. The reversal of 79165073 is 37056197.

It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 79156609 = 92^2 + 8897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79165073 - 2¹⁴ = 79148689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79165013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178886 + ... + 179327.

It is an arithmetic number, because the mean of its divisors is an integer number (11283741).

Almost surely, 2^79165073 is an apocalyptic number.

It is an amenable number.

79165073 is a deficient number, since it is larger than the sum of its proper divisors (11104855).

79165073 is a wasteful number, since it uses less digits than its factorization.

79165073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358243.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 79165073 is about 8897.4756532401. The cubic root of 79165073 is about 429.3826963456.

The spelling of 79165073 in words is "seventy-nine million, one hundred sixty-five thousand, seventy-three".