73794451656 has 64 divisors (see below), whose sum is σ = 191163225600. Its totient is φ = 23710675968.

The previous prime is 73794451639. The next prime is 73794451691. The reversal of 73794451656 is 65615449737.

It is a super-2 number, since 2×73794451656² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 73794451596 and 73794451605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335136 + ... + 509808.

It is an arithmetic number, because the mean of its divisors is an integer number (2986925400).

Almost surely, 2^73794451656 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 73794451656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95581612800).

73794451656 is an abundant number, since it is smaller than the sum of its proper divisors (117368773944).

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

73794451656 is a wasteful number, since it uses less digits than its factorization.

73794451656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175318 (or 175314 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 57.

The spelling of 73794451656 in words is "seventy-three billion, seven hundred ninety-four million, four hundred fifty-one thousand, six hundred fifty-six".