79478 has 12 divisors (see below), whose sum is σ = 138852. Its totient is φ = 34020.

The previous prime is 79451. The next prime is 79481. The reversal of 79478 is 87497.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308 + ... + 503.

It is an arithmetic number, because the mean of its divisors is an integer number (11571).

2⁷⁹⁴⁷⁸ is an apocalyptic number.

79478 is a deficient number, since it is larger than the sum of its proper divisors (59374).

79478 is a wasteful number, since it uses less digits than its factorization.

79478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 820 counting only the distinct ones).

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

The square root of 79478 is about 281.9184279184. The cubic root of 79478 is about 42.9947713130.

The spelling of 79478 in words is "seventy-nine thousand, four hundred seventy-eight".