79439073 has 8 divisors (see below), whose sum is σ = 121050048. Its totient is φ = 45393744.

The previous prime is 79439029. The next prime is 79439083. The reversal of 79439073 is 37093497.

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

It is not a de Polignac number, because 79439073 - 2⁹ = 79438561 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (79439083) 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, 1891386 + ... + 1891427.

It is an arithmetic number, because the mean of its divisors is an integer number (15131256).

Almost surely, 2^79439073 is an apocalyptic number.

It is an amenable number.

79439073 is a deficient number, since it is larger than the sum of its proper divisors (41610975).

79439073 is a wasteful number, since it uses less digits than its factorization.

79439073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782823.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 79439073 is about 8912.8599787049. The cubic root of 79439073 is about 429.8775079255.

The spelling of 79439073 in words is "seventy-nine million, four hundred thirty-nine thousand, seventy-three".