73989014521247 has 16 divisors (see below), whose sum is σ = 89841203792640. Its totient is φ = 59519797489728.

The previous prime is 73989014521211. The next prime is 73989014521319. The reversal of 73989014521247 is 74212541098937.

It is not a de Polignac number, because 73989014521247 - 2¹² = 73989014517151 is a prime.

It is a super-2 number, since 2×73989014521247² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73989014521247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73989014521207) 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, 2599557638 + ... + 2599586099.

It is an arithmetic number, because the mean of its divisors is an integer number (5615075237040).

Almost surely, 2^{73989014521247} is an apocalyptic number.

73989014521247 is a deficient number, since it is larger than the sum of its proper divisors (15852189271393).

73989014521247 is a wasteful number, since it uses less digits than its factorization.

73989014521247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5199143870.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 73989014521247 in words is "seventy-three trillion, nine hundred eighty-nine billion, fourteen million, five hundred twenty-one thousand, two hundred forty-seven".