73373666740 has 36 divisors (see below), whose sum is σ = 169365833028. Its totient is φ = 26681332480.

The previous prime is 73373666719. The next prime is 73373666741. The reversal of 73373666740 is 4766637337.

It can be written as a sum of positive squares in 2 ways, for example, as 7593728164 + 65779938576 = 87142^2 + 256476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73373666741) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15157429 + ... + 15162268.

It is an arithmetic number, because the mean of its divisors is an integer number (4704606473).

Almost surely, 2^73373666740 is an apocalyptic number.

It is an amenable number.

73373666740 is an abundant number, since it is smaller than the sum of its proper divisors (95992166288).

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

73373666740 is a wasteful number, since it uses less digits than its factorization.

73373666740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30319728 (or 30319715 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 52.

The spelling of 73373666740 in words is "seventy-three billion, three hundred seventy-three million, six hundred sixty-six thousand, seven hundred forty".