72505011145067 has 8 divisors (see below), whose sum is σ = 72711663162096. Its totient is φ = 72298366221312.

The previous prime is 72505011145051. The next prime is 72505011145069. The reversal of 72505011145067 is 76054111050527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72505011145067 - 2⁴ = 72505011145051 is a prime.

It is a super-2 number, since 2×72505011145067² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72505011145069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19046948 + ... + 22534334.

It is an arithmetic number, because the mean of its divisors is an integer number (9088957895262).

Almost surely, 2^{72505011145067} is an apocalyptic number.

72505011145067 is a deficient number, since it is larger than the sum of its proper divisors (206652017029).

72505011145067 is a wasteful number, since it uses less digits than its factorization.

72505011145067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546637.

The product of its (nonzero) digits is 294000, while the sum is 44.

The spelling of 72505011145067 in words is "seventy-two trillion, five hundred five billion, eleven million, one hundred forty-five thousand, sixty-seven".