73703743444 has 6 divisors (see below), whose sum is σ = 128981551034. Its totient is φ = 36851871720.

The previous prime is 73703743381. The next prime is 73703743453. The reversal of 73703743444 is 44434730737.

It can be written as a sum of positive squares in only one way, i.e., 73244927044 + 458816400 = 270638^2 + 21420^2 .

It is a super-2 number, since 2×73703743444² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73703743394 and 73703743403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9212967927 + ... + 9212967934.

Almost surely, 2^73703743444 is an apocalyptic number.

It is an amenable number.

73703743444 is a deficient number, since it is larger than the sum of its proper divisors (55277807590).

73703743444 is a wasteful number, since it uses less digits than its factorization.

73703743444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18425935865 (or 18425935863 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 46.

The spelling of 73703743444 in words is "seventy-three billion, seven hundred three million, seven hundred forty-three thousand, four hundred forty-four".