73854840768 has 56 divisors (see below), whose sum is σ = 195724619472. Its totient is φ = 24578340864.

The previous prime is 73854840691. The next prime is 73854840859. The reversal of 73854840768 is 86704845837.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193255 + ... + 430182.

Almost surely, 2^73854840768 is an apocalyptic number.

It is an amenable number.

73854840768 is an abundant number, since it is smaller than the sum of its proper divisors (121869778704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73854840768 is a wasteful number, since it uses less digits than its factorization.

73854840768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624069 (or 624059 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 73854840768 in words is "seventy-three billion, eight hundred fifty-four million, eight hundred forty thousand, seven hundred sixty-eight".