73900019512 has 16 divisors (see below), whose sum is σ = 151159131000. Its totient is φ = 33590917920.

The previous prime is 73900019491. The next prime is 73900019519. The reversal of 73900019512 is 21591000937.

It is a super-2 number, since 2×73900019512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73900019519) 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 3 ways as a sum of consecutive naturals, for example, 419886387 + ... + 419886562.

Almost surely, 2^73900019512 is an apocalyptic number.

It is an amenable number.

73900019512 is an abundant number, since it is smaller than the sum of its proper divisors (77259111488).

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

73900019512 is a wasteful number, since it uses less digits than its factorization.

73900019512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839772966 (or 839772962 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 37.

The spelling of 73900019512 in words is "seventy-three billion, nine hundred million, nineteen thousand, five hundred twelve".