79673439 has 8 divisors (see below), whose sum is σ = 106594992. Its totient is φ = 52933760.

The previous prime is 79673417. The next prime is 79673459. The reversal of 79673439 is 93437697.

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 79673439 - 2⁹ = 79672927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79673459) 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, 44442 + ... + 46199.

It is an arithmetic number, because the mean of its divisors is an integer number (13324374).

Almost surely, 2^79673439 is an apocalyptic number.

79673439 is a deficient number, since it is larger than the sum of its proper divisors (26921553).

79673439 is a wasteful number, since it uses less digits than its factorization.

79673439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90937.

The product of its digits is 857304, while the sum is 48.

The square root of 79673439 is about 8925.9979274029. The cubic root of 79673439 is about 430.2998431484.

The spelling of 79673439 in words is "seventy-nine million, six hundred seventy-three thousand, four hundred thirty-nine".