65272373443872 has 144 divisors (see below), whose sum is σ = 219992073642432. Its totient is φ = 18649249539840.

The previous prime is 65272373443847. The next prime is 65272373443873. The reversal of 65272373443872 is 27834437327256.

65272373443872 is a `hidden beast` number, since 6 + 5 + 2 + 72 + 37 + 34 + 438 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (65272373443873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599522779 + ... + 599631642.

It is an arithmetic number, because the mean of its divisors is an integer number (1527722733628).

Almost surely, 2^{65272373443872} is an apocalyptic number.

It is an amenable number.

65272373443872 is an abundant number, since it is smaller than the sum of its proper divisors (154719700198560).

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

65272373443872 is a wasteful number, since it uses less digits than its factorization.

65272373443872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199154453 (or 1199154433 counting only the distinct ones).

The product of its digits is 284497920, while the sum is 63.

The spelling of 65272373443872 in words is "sixty-five trillion, two hundred seventy-two billion, three hundred seventy-three million, four hundred forty-three thousand, eight hundred seventy-two".