73145919960 has 96 divisors (see below), whose sum is σ = 239434650000. Its totient is φ = 19365237504.

The previous prime is 73145919923. The next prime is 73145919967. The reversal of 73145919960 is 6991954137.

It is a junction number, because it is equal to n+sod(n) for n = 73145919897 and 73145919906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73145919967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 680835 + ... + 780914.

Almost surely, 2^73145919960 is an apocalyptic number.

It is an amenable number.

73145919960 is an abundant number, since it is smaller than the sum of its proper divisors (166288730040).

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

73145919960 is a wasteful number, since it uses less digits than its factorization.

73145919960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461905 (or 1461898 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 73145919960 in words is "seventy-three billion, one hundred forty-five million, nine hundred nineteen thousand, nine hundred sixty".