73543665061504 has 128 divisors (see below), whose sum is σ = 170659974228480. Its totient is φ = 31231889525760.

The previous prime is 73543665061483. The next prime is 73543665061541. The reversal of 73543665061504 is 40516056634537.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25014322 + ... + 27799345.

It is an arithmetic number, because the mean of its divisors is an integer number (1333281048660).

Almost surely, 2^{73543665061504} is an apocalyptic number.

It is an amenable number.

73543665061504 is an abundant number, since it is smaller than the sum of its proper divisors (97116309166976).

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

73543665061504 is a wasteful number, since it uses less digits than its factorization.

73543665061504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52813758 (or 52813746 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 55.

The spelling of 73543665061504 in words is "seventy-three trillion, five hundred forty-three billion, six hundred sixty-five million, sixty-one thousand, five hundred four".