79930 has 8 divisors (see below), whose sum is σ = 143892. Its totient is φ = 31968.

The previous prime is 79907. The next prime is 79939. The reversal of 79930 is 3997.

It can be written as a sum of positive squares in 2 ways, for example, as 72361 + 7569 = 269^2 + 87^2 .

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

It is not an unprimeable number, because it can be changed into a prime (79939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3987 + ... + 4006.

2⁷⁹⁹³⁰ is an apocalyptic number.

79930 is a deficient number, since it is larger than the sum of its proper divisors (63962).

79930 is a wasteful number, since it uses less digits than its factorization.

79930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 79930 is about 282.7189417071. The cubic root of 79930 is about 43.0761225976.

The spelling of 79930 in words is "seventy-nine thousand, nine hundred thirty".