73412625439 has 4 divisors (see below), whose sum is σ = 73446599200. Its totient is φ = 73378651680.

The previous prime is 73412625367. The next prime is 73412625547. The reversal of 73412625439 is 93452621437.

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 73412625439 - 2²¹ = 73410528287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73412605439) 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, 16983639 + ... + 16987960.

It is an arithmetic number, because the mean of its divisors is an integer number (18361649800).

Almost surely, 2^73412625439 is an apocalyptic number.

73412625439 is a deficient number, since it is larger than the sum of its proper divisors (33973761).

73412625439 is a wasteful number, since it uses less digits than its factorization.

73412625439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33973760.

The product of its digits is 1088640, while the sum is 46.

The spelling of 73412625439 in words is "seventy-three billion, four hundred twelve million, six hundred twenty-five thousand, four hundred thirty-nine".