73327090736640 has 160 divisors (see below), whose sum is σ = 252449662250016. Its totient is φ = 18049745387520.

The previous prime is 73327090736609. The next prime is 73327090736663. The reversal of 73327090736640 is 4663709072337.

It is a tau number, because it is divible by the number of its divisors (160).

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 15 ways as a sum of consecutive naturals, for example, 367123171 + ... + 367322850.

Almost surely, 2^{73327090736640} is an apocalyptic number.

It is an amenable number.

73327090736640 is an abundant number, since it is smaller than the sum of its proper divisors (179122571513376).

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

73327090736640 is a wasteful number, since it uses less digits than its factorization.

73327090736640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734446060 (or 734446044 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 57.

The spelling of 73327090736640 in words is "seventy-three trillion, three hundred twenty-seven billion, ninety million, seven hundred thirty-six thousand, six hundred forty".