73348028618 has 4 divisors (see below), whose sum is σ = 110022042930. Its totient is φ = 36674014308.

The previous prime is 73348028597. The next prime is 73348028647. The reversal of 73348028618 is 81682084337.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46633106809 + 26714921809 = 215947^2 + 163447^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18337007153 + ... + 18337007156.

Almost surely, 2^73348028618 is an apocalyptic number.

73348028618 is a deficient number, since it is larger than the sum of its proper divisors (36674014312).

73348028618 is a wasteful number, since it uses less digits than its factorization.

73348028618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36674014311.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 73348028618 in words is "seventy-three billion, three hundred forty-eight million, twenty-eight thousand, six hundred eighteen".