73666733670340 has 24 divisors (see below), whose sum is σ = 154700316959832. Its totient is φ = 29466659896320.

The previous prime is 73666733670329. The next prime is 73666733670349. The reversal of 73666733670340 is 4307633766637.

It can be written as a sum of positive squares in 4 ways, for example, as 32189192296704 + 41477541373636 = 5673552^2 + 6440306^2 .

It is not an unprimeable number, because it can be changed into a prime (73666733670349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23529652 + ... + 26475988.

It is an arithmetic number, because the mean of its divisors is an integer number (6445846539993).

Almost surely, 2^{73666733670340} is an apocalyptic number.

It is an amenable number.

73666733670340 is an abundant number, since it is smaller than the sum of its proper divisors (81033583289492).

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

73666733670340 is a wasteful number, since it uses less digits than its factorization.

73666733670340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196487 (or 4196485 counting only the distinct ones).

The product of its (nonzero) digits is 144027072, while the sum is 61.

The spelling of 73666733670340 in words is "seventy-three trillion, six hundred sixty-six billion, seven hundred thirty-three million, six hundred seventy thousand, three hundred forty".