73656261930472 has 64 divisors (see below), whose sum is σ = 149129608078080. Its totient is φ = 33903738715392.

The previous prime is 73656261930437. The next prime is 73656261930481. The reversal of 73656261930472 is 27403916265637.

It is a self number, because there is not a number n which added to its sum of digits gives 73656261930472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63421873 + ... + 64572799.

It is an arithmetic number, because the mean of its divisors is an integer number (2330150126220).

Almost surely, 2^{73656261930472} is an apocalyptic number.

It is an amenable number.

73656261930472 is an abundant number, since it is smaller than the sum of its proper divisors (75473346147608).

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

73656261930472 is a wasteful number, since it uses less digits than its factorization.

73656261930472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152602 (or 1152598 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 61.

The spelling of 73656261930472 in words is "seventy-three trillion, six hundred fifty-six billion, two hundred sixty-one million, nine hundred thirty thousand, four hundred seventy-two".