73513622312864 has 24 divisors (see below), whose sum is σ = 144730977370560. Its totient is φ = 36756548694976.

The previous prime is 73513622312849. The next prime is 73513622312869. The reversal of 73513622312864 is 46821322631537.

It is not an unprimeable number, because it can be changed into a prime (73513622312869) 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, 3610874 + ... + 12651705.

It is an arithmetic number, because the mean of its divisors is an integer number (6030457390440).

Almost surely, 2^{73513622312864} is an apocalyptic number.

It is an amenable number.

73513622312864 is a deficient number, since it is larger than the sum of its proper divisors (71217355057696).

73513622312864 is a wasteful number, since it uses less digits than its factorization.

73513622312864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16403852 (or 16403844 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 53.

The spelling of 73513622312864 in words is "seventy-three trillion, five hundred thirteen billion, six hundred twenty-two million, three hundred twelve thousand, eight hundred sixty-four".