73392616544 has 96 divisors (see below), whose sum is σ = 162768372480. Its totient is φ = 32321659392.

The previous prime is 73392616537. The next prime is 73392616559. The reversal of 73392616544 is 44561629337.

It is a junction number, because it is equal to n+sod(n) for n = 73392616492 and 73392616501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3999839 + ... + 4018145.

It is an arithmetic number, because the mean of its divisors is an integer number (1695503880).

Almost surely, 2^73392616544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73392616544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81384186240).

73392616544 is an abundant number, since it is smaller than the sum of its proper divisors (89375755936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73392616544 is a wasteful number, since it uses less digits than its factorization.

73392616544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18772 (or 18764 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 50.

The spelling of 73392616544 in words is "seventy-three billion, three hundred ninety-two million, six hundred sixteen thousand, five hundred forty-four".