73719213568 has 320 divisors, whose sum is σ = 200264182272. Its totient is φ = 26177863680.

The previous prime is 73719213539. The next prime is 73719213583. The reversal of 73719213568 is 86531291737.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42537630 + ... + 42539362.

Almost surely, 2^73719213568 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 73719213568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100132091136).

73719213568 is an abundant number, since it is smaller than the sum of its proper divisors (126544968704).

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

73719213568 is a wasteful number, since it uses less digits than its factorization.

73719213568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865 (or 1849 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The spelling of 73719213568 in words is "seventy-three billion, seven hundred nineteen million, two hundred thirteen thousand, five hundred sixty-eight".