78082724 has 12 divisors (see below), whose sum is σ = 138961200. Its totient is φ = 38379528.

The previous prime is 78082709. The next prime is 78082729. The reversal of 78082724 is 42728087.

It is not an unprimeable number, because it can be changed into a prime (78082729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165194 + ... + 165665.

It is an arithmetic number, because the mean of its divisors is an integer number (11580100).

Almost surely, 2^78082724 is an apocalyptic number.

It is an amenable number.

78082724 is a deficient number, since it is larger than the sum of its proper divisors (60878476).

78082724 is a wasteful number, since it uses less digits than its factorization.

78082724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330922 (or 330920 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 78082724 is about 8836.4429495131. The cubic root of 78082724 is about 427.4168624167.

The spelling of 78082724 in words is "seventy-eight million, eighty-two thousand, seven hundred twenty-four".