73908751680 has 672 divisors, whose sum is σ = 274048459776. Its totient is φ = 18247680000.

The previous prime is 73908751633. The next prime is 73908751771. The reversal of 73908751680 is 8615780937.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 223289115 + ... + 223289445.

It is an arithmetic number, because the mean of its divisors is an integer number (407810208).

Almost surely, 2^73908751680 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 73908751680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137024229888).

73908751680 is an abundant number, since it is smaller than the sum of its proper divisors (200139708096).

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

73908751680 is a wasteful number, since it uses less digits than its factorization.

73908751680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 73908751680 in words is "seventy-three billion, nine hundred eight million, seven hundred fifty-one thousand, six hundred eighty".