73688359936 has 99 divisors (see below), whose sum is σ = 156793663929. Its totient is φ = 34607382528.

The previous prime is 73688359933. The next prime is 73688359949. The reversal of 73688359936 is 63995388637.

The square root of 73688359936 is 271456.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 57369830400 + 16318529536 = 239520^2 + 127744^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73688359933) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 147671815 + ... + 147672313.

Almost surely, 2^73688359936 is an apocalyptic number.

73688359936 is the 271456-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73688359936

73688359936 is an abundant number, since it is smaller than the sum of its proper divisors (83105303993).

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

73688359936 is an frugal number, since it uses more digits than its factorization.

73688359936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 518 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 67.

The spelling of 73688359936 in words is "seventy-three billion, six hundred eighty-eight million, three hundred fifty-nine thousand, nine hundred thirty-six".