73195769856 has 416 divisors, whose sum is σ = 224200120320. Its totient is φ = 21033779200.

The previous prime is 73195769849. The next prime is 73195769903. The reversal of 73195769856 is 65896759137.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 278310781 + ... + 278311043.

Almost surely, 2^73195769856 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 73195769856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112100060160).

73195769856 is an abundant number, since it is smaller than the sum of its proper divisors (151004350464).

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

73195769856 is a wasteful number, since it uses less digits than its factorization.

73195769856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 379 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 66.

It can be divided in two parts, 73195 and 769856, that added together give a triangular number (843051 = T₁₂₉₈).

The spelling of 73195769856 in words is "seventy-three billion, one hundred ninety-five million, seven hundred sixty-nine thousand, eight hundred fifty-six".