79874 has 4 divisors (see below), whose sum is σ = 119814. Its totient is φ = 39936.

The previous prime is 79873. The next prime is 79889. The reversal of 79874 is 47897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47897 = 211 ⋅227.

It can be written as a sum of positive squares in only one way, i.e., 55225 + 24649 = 235^2 + 157^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (79873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19967 + ... + 19970.

2⁷⁹⁸⁷⁴ is an apocalyptic number.

79874 is a deficient number, since it is larger than the sum of its proper divisors (39940).

79874 is a wasteful number, since it uses less digits than its factorization.

79874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39939.

The product of its digits is 14112, while the sum is 35.

The square root of 79874 is about 282.6198860661. The cubic root of 79874 is about 43.0660603497.

The spelling of 79874 in words is "seventy-nine thousand, eight hundred seventy-four".