72750566246737 has 4 divisors (see below), whose sum is σ = 72987538775536. Its totient is φ = 72513593717940.

The previous prime is 72750566246717. The next prime is 72750566246741. The reversal of 72750566246737 is 73764266505727.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72750566246737 - 2⁷ = 72750566246609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72750566246717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118486263939 + ... + 118486264552.

It is an arithmetic number, because the mean of its divisors is an integer number (18246884693884).

Almost surely, 2^{72750566246737} is an apocalyptic number.

It is an amenable number.

72750566246737 is a deficient number, since it is larger than the sum of its proper divisors (236972528799).

72750566246737 is a wasteful number, since it uses less digits than its factorization.

72750566246737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236972528798.

The product of its (nonzero) digits is 622339200, while the sum is 67.

The spelling of 72750566246737 in words is "seventy-two trillion, seven hundred fifty billion, five hundred sixty-six million, two hundred forty-six thousand, seven hundred thirty-seven".