72758910001201 has 4 divisors (see below), whose sum is σ = 72758943483712. Its totient is φ = 72758876518692.

The previous prime is 72758910001189. The next prime is 72758910001223. The reversal of 72758910001201 is 10210001985727.

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 72758910001201 - 2⁷ = 72758910001073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72758910001231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13237221 + ... + 17909266.

It is an arithmetic number, because the mean of its divisors is an integer number (18189735870928).

Almost surely, 2^{72758910001201} is an apocalyptic number.

It is an amenable number.

72758910001201 is a deficient number, since it is larger than the sum of its proper divisors (33482511).

72758910001201 is a wasteful number, since it uses less digits than its factorization.

72758910001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33482510.

The product of its (nonzero) digits is 70560, while the sum is 43.

Adding to 72758910001201 its reverse (10210001985727), we get a palindrome (82968911986928).

The spelling of 72758910001201 in words is "seventy-two trillion, seven hundred fifty-eight billion, nine hundred ten million, one thousand, two hundred one".