73688239896 has 16 divisors (see below), whose sum is σ = 184220599800. Its totient is φ = 24562746624.

The previous prime is 73688239879. The next prime is 73688239901. The reversal of 73688239896 is 69893288637.

It is a self number, because there is not a number n which added to its sum of digits gives 73688239896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1535171641 + ... + 1535171688.

Almost surely, 2^73688239896 is an apocalyptic number.

It is an amenable number.

73688239896 is an abundant number, since it is smaller than the sum of its proper divisors (110532359904).

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

73688239896 is a wasteful number, since it uses less digits than its factorization.

73688239896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070343338 (or 3070343334 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 69.

The spelling of 73688239896 in words is "seventy-three billion, six hundred eighty-eight million, two hundred thirty-nine thousand, eight hundred ninety-six".