78482 has 4 divisors (see below), whose sum is σ = 117726. Its totient is φ = 39240.

The previous prime is 78479. The next prime is 78487. The reversal of 78482 is 28487.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28487 = 61 ⋅467.

It can be written as a sum of positive squares in only one way, i.e., 73441 + 5041 = 271^2 + 71^2 .

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 78482.

It is not an unprimeable number, because it can be changed into a prime (78487) by changing a digit.

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 as a sum of consecutive naturals, namely, 19619 + ... + 19622.

2⁷⁸⁴⁸² is an apocalyptic number.

78482 is a deficient number, since it is larger than the sum of its proper divisors (39244).

78482 is a wasteful number, since it uses less digits than its factorization.

78482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39243.

The product of its digits is 3584, while the sum is 29.

The square root of 78482 is about 280.1463903034. The cubic root of 78482 is about 42.8144156175.

The spelling of 78482 in words is "seventy-eight thousand, four hundred eighty-two".