73826689556 has 6 divisors (see below), whose sum is σ = 129196706730. Its totient is φ = 36913344776.

The previous prime is 73826689537. The next prime is 73826689561. The reversal of 73826689556 is 65598662837.

It can be written as a sum of positive squares in only one way, i.e., 71360573956 + 2466115600 = 267134^2 + 49660^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73826689492 and 73826689501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9228336191 + ... + 9228336198.

It is an arithmetic number, because the mean of its divisors is an integer number (21532784455).

Almost surely, 2^73826689556 is an apocalyptic number.

It is an amenable number.

73826689556 is a deficient number, since it is larger than the sum of its proper divisors (55370017174).

73826689556 is a wasteful number, since it uses less digits than its factorization.

73826689556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456672393 (or 18456672391 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 65.

The spelling of 73826689556 in words is "seventy-three billion, eight hundred twenty-six million, six hundred eighty-nine thousand, five hundred fifty-six".