73422645476720 has 80 divisors (see below), whose sum is σ = 172817232873120. Its totient is φ = 29007819297792.

The previous prime is 73422645476717. The next prime is 73422645476771. The reversal of 73422645476720 is 2767454622437.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×73422645476720² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73422645476720.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10516562 + ... + 16045041.

It is an arithmetic number, because the mean of its divisors is an integer number (2160215410914).

Almost surely, 2^{73422645476720} is an apocalyptic number.

It is an amenable number.

73422645476720 is an abundant number, since it is smaller than the sum of its proper divisors (99394587396400).

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

73422645476720 is a wasteful number, since it uses less digits than its factorization.

73422645476720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26562042 (or 26562036 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 59.

The spelling of 73422645476720 in words is "seventy-three trillion, four hundred twenty-two billion, six hundred forty-five million, four hundred seventy-six thousand, seven hundred twenty".