78074018 has 16 divisors (see below), whose sum is σ = 127897056. Its totient is φ = 35449440.

The previous prime is 78073999. The next prime is 78074023. The reversal of 78074018 is 81047087.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31430 + ... + 33822.

It is an arithmetic number, because the mean of its divisors is an integer number (7993566).

Almost surely, 2^78074018 is an apocalyptic number.

78074018 is a deficient number, since it is larger than the sum of its proper divisors (49823038).

78074018 is a wasteful number, since it uses less digits than its factorization.

78074018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 78074018 is about 8835.9503167458. The cubic root of 78074018 is about 427.4009765744.

The spelling of 78074018 in words is "seventy-eight million, seventy-four thousand, eighteen".