72842072069977 has 16 divisors (see below), whose sum is σ = 83400454241280. Its totient is φ = 62321842073232.

The previous prime is 72842072069927. The next prime is 72842072069983. The reversal of 72842072069977 is 77996027024827.

It is not a de Polignac number, because 72842072069977 - 2¹⁵ = 72842072037209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72842072069927) 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, 12310468 + ... + 17240410.

It is an arithmetic number, because the mean of its divisors is an integer number (5212528390080).

Almost surely, 2^{72842072069977} is an apocalyptic number.

It is an amenable number.

72842072069977 is a deficient number, since it is larger than the sum of its proper divisors (10558382171303).

72842072069977 is a wasteful number, since it uses less digits than its factorization.

72842072069977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933812.

The product of its (nonzero) digits is 298722816, while the sum is 70.

The spelling of 72842072069977 in words is "seventy-two trillion, eight hundred forty-two billion, seventy-two million, sixty-nine thousand, nine hundred seventy-seven".