73351673748 has 18 divisors (see below), whose sum is σ = 185416730954. Its totient is φ = 24450557904.

The previous prime is 73351673743. The next prime is 73351673783. The reversal of 73351673748 is 84737615337.

It can be written as a sum of positive squares in only one way, i.e., 37171068804 + 36180604944 = 192798^2 + 190212^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 73351673694 and 73351673703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73351673743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1018773211 + ... + 1018773282.

Almost surely, 2^73351673748 is an apocalyptic number.

It is an amenable number.

73351673748 is an abundant number, since it is smaller than the sum of its proper divisors (112065057206).

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

73351673748 is a wasteful number, since it uses less digits than its factorization.

73351673748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037546503 (or 2037546498 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 54.

The spelling of 73351673748 in words is "seventy-three billion, three hundred fifty-one million, six hundred seventy-three thousand, seven hundred forty-eight".