72541127764127 has 16 divisors (see below), whose sum is σ = 81872352460800. Its totient is φ = 63666430124640.

The previous prime is 72541127764121. The next prime is 72541127764213. The reversal of 72541127764127 is 72146772114527.

It is a cyclic number.

It is not a de Polignac number, because 72541127764127 - 2¹⁰ = 72541127763103 is a prime.

It is a super-2 number, since 2×72541127764127² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72541127764121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7399823 + ... + 14136464.

It is an arithmetic number, because the mean of its divisors is an integer number (5117022028800).

Almost surely, 2^{72541127764127} is an apocalyptic number.

72541127764127 is a deficient number, since it is larger than the sum of its proper divisors (9331224696673).

72541127764127 is a wasteful number, since it uses less digits than its factorization.

72541127764127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21546886.

The product of its digits is 9219840, while the sum is 56.

The spelling of 72541127764127 in words is "seventy-two trillion, five hundred forty-one billion, one hundred twenty-seven million, seven hundred sixty-four thousand, one hundred twenty-seven".