79378 has 16 divisors (see below), whose sum is σ = 133056. Its totient is φ = 35280.

The previous prime is 79367. The next prime is 79379. The reversal of 79378 is 87397.

It is not an unprimeable number, because it can be changed into a prime (79379) by changing a digit.

79378 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083 + ... + 1153.

It is an arithmetic number, because the mean of its divisors is an integer number (8316).

2⁷⁹³⁷⁸ is an apocalyptic number.

79378 is a deficient number, since it is larger than the sum of its proper divisors (53678).

79378 is a wasteful number, since it uses less digits than its factorization.

79378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129.

The product of its digits is 10584, while the sum is 34.

The square root of 79378 is about 281.7410158284. The cubic root of 79378 is about 42.9767315972.

The spelling of 79378 in words is "seventy-nine thousand, three hundred seventy-eight".