79150073 has 4 divisors (see below), whose sum is σ = 79258788. Its totient is φ = 79041360.

The previous prime is 79150051. The next prime is 79150087. The reversal of 79150073 is 37005197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37005197 = 491 ⋅75367.

It can be written as a sum of positive squares in 2 ways, for example, as 66455104 + 12694969 = 8152^2 + 3563^2 .

It is a cyclic number.

It is not a de Polignac number, because 79150073 - 2²⁰ = 78101497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79150003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53258 + ... + 54723.

It is an arithmetic number, because the mean of its divisors is an integer number (19814697).

Almost surely, 2^79150073 is an apocalyptic number.

It is an amenable number.

79150073 is a deficient number, since it is larger than the sum of its proper divisors (108715).

79150073 is a wasteful number, since it uses less digits than its factorization.

79150073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108714.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 79150073 is about 8896.6326775921. The cubic root of 79150073 is about 429.3555751796.

The spelling of 79150073 in words is "seventy-nine million, one hundred fifty thousand, seventy-three".