72412060777523 has 4 divisors (see below), whose sum is σ = 72667933784088. Its totient is φ = 72156187770960.

The previous prime is 72412060777421. The next prime is 72412060777531. The reversal of 72412060777523 is 32577706021427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72412060777523 - 2¹⁶ = 72412060711987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72412060777223) 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, 127936502858 + ... + 127936503423.

It is an arithmetic number, because the mean of its divisors is an integer number (18166983446022).

Almost surely, 2^{72412060777523} is an apocalyptic number.

72412060777523 is a deficient number, since it is larger than the sum of its proper divisors (255873006565).

72412060777523 is a wasteful number, since it uses less digits than its factorization.

72412060777523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255873006564.

The product of its (nonzero) digits is 6914880, while the sum is 53.

The spelling of 72412060777523 in words is "seventy-two trillion, four hundred twelve billion, sixty million, seven hundred seventy-seven thousand, five hundred twenty-three".