74320805878 has 64 divisors (see below), whose sum is σ = 134264148480. Its totient is φ = 30456518400.

The previous prime is 74320805843. The next prime is 74320805891. The reversal of 74320805878 is 87850802347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1874338 + ... + 1913578.

It is an arithmetic number, because the mean of its divisors is an integer number (2097877320).

Almost surely, 2^74320805878 is an apocalyptic number.

74320805878 is a deficient number, since it is larger than the sum of its proper divisors (59943342602).

74320805878 is a wasteful number, since it uses less digits than its factorization.

74320805878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39493.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 74320805878 in words is "seventy-four billion, three hundred twenty million, eight hundred five thousand, eight hundred seventy-eight".