72981501068267 has 8 divisors (see below), whose sum is σ = 79617059930352. Its totient is φ = 66346088364000.

The previous prime is 72981501068257. The next prime is 72981501068291. The reversal of 72981501068267 is 76286010518927.

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 72981501068267 - 2¹⁴ = 72981501051883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72981501068207) 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, 35494088 + ... + 37493909.

It is an arithmetic number, because the mean of its divisors is an integer number (9952132491294).

Almost surely, 2^{72981501068267} is an apocalyptic number.

72981501068267 is a deficient number, since it is larger than the sum of its proper divisors (6635558862085).

72981501068267 is a wasteful number, since it uses less digits than its factorization.

72981501068267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73078909.

The product of its (nonzero) digits is 20321280, while the sum is 62.

The spelling of 72981501068267 in words is "seventy-two trillion, nine hundred eighty-one billion, five hundred one million, sixty-eight thousand, two hundred sixty-seven".