78070605 has 16 divisors (see below), whose sum is σ = 125712384. Its totient is φ = 41371200.

The previous prime is 78070567. The next prime is 78070607. The reversal of 78070605 is 50607087.

It is not a de Polignac number, because 78070605 - 2⁹ = 78070093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78070607) 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 15 ways as a sum of consecutive naturals, for example, 14221 + ... + 18930.

It is an arithmetic number, because the mean of its divisors is an integer number (7857024).

Almost surely, 2^78070605 is an apocalyptic number.

It is an amenable number.

78070605 is a deficient number, since it is larger than the sum of its proper divisors (47641779).

78070605 is a wasteful number, since it uses less digits than its factorization.

78070605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33316.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 78070605 is about 8835.7571831734. The cubic root of 78070605 is about 427.3947485495.

The spelling of 78070605 in words is "seventy-eight million, seventy thousand, six hundred five".