73136047366640 has 40 divisors (see below), whose sum is σ = 170043405930240. Its totient is φ = 29254058378496.

The previous prime is 73136047366633. The next prime is 73136047366667. The reversal of 73136047366640 is 4666374063137.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945146 + ... + 12131174.

It is an arithmetic number, because the mean of its divisors is an integer number (4251085148256).

Almost surely, 2^{73136047366640} is an apocalyptic number.

It is an amenable number.

73136047366640 is an abundant number, since it is smaller than the sum of its proper divisors (96907358563600).

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

73136047366640 is a wasteful number, since it uses less digits than its factorization.

73136047366640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11267769 (or 11267763 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 56.

The spelling of 73136047366640 in words is "seventy-three trillion, one hundred thirty-six billion, forty-seven million, three hundred sixty-six thousand, six hundred forty".