78043748 has 12 divisors (see below), whose sum is σ = 137415600. Its totient is φ = 38782152.

The previous prime is 78043747. The next prime is 78043751. The reversal of 78043748 is 84734087.

It is not an unprimeable number, because it can be changed into a prime (78043741) 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, 59198 + ... + 60501.

It is an arithmetic number, because the mean of its divisors is an integer number (11451300).

Almost surely, 2^78043748 is an apocalyptic number.

It is an amenable number.

78043748 is a deficient number, since it is larger than the sum of its proper divisors (59371852).

78043748 is a wasteful number, since it uses less digits than its factorization.

78043748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119866 (or 119864 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 78043748 is about 8834.2372619259. The cubic root of 78043748 is about 427.3457336983.

The spelling of 78043748 in words is "seventy-eight million, forty-three thousand, seven hundred forty-eight".