73955955656 has 32 divisors (see below), whose sum is σ = 151326463680. Its totient is φ = 33604584000.

The previous prime is 73955955653. The next prime is 73955955679. The reversal of 73955955656 is 65655955937.

It is a junction number, because it is equal to n+sod(n) for n = 73955955592 and 73955955601.

It is not an unprimeable number, because it can be changed into a prime (73955955653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108506 + ... + 399606.

It is an arithmetic number, because the mean of its divisors is an integer number (4728951990).

Almost surely, 2^73955955656 is an apocalyptic number.

It is an amenable number.

73955955656 is an abundant number, since it is smaller than the sum of its proper divisors (77370508024).

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

73955955656 is a wasteful number, since it uses less digits than its factorization.

73955955656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294005 (or 294001 counting only the distinct ones).

The product of its digits is 191362500, while the sum is 65.

The spelling of 73955955656 in words is "seventy-three billion, nine hundred fifty-five million, nine hundred fifty-five thousand, six hundred fifty-six".