73210036145 has 8 divisors (see below), whose sum is σ = 90881424360. Its totient is φ = 56548441600.

The previous prime is 73210036103. The next prime is 73210036157. The reversal of 73210036145 is 54163001237.

It can be written as a sum of positive squares in 4 ways, for example, as 443355136 + 72766681009 = 21056^2 + 269753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73210036145 - 2¹⁴ = 73210019761 is a prime.

It is a super-2 number, since 2×73210036145² (a number of 23 digits) contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 252448256 + ... + 252448545.

It is an arithmetic number, because the mean of its divisors is an integer number (11360178045).

Almost surely, 2^73210036145 is an apocalyptic number.

It is an amenable number.

73210036145 is a deficient number, since it is larger than the sum of its proper divisors (17671388215).

73210036145 is a wasteful number, since it uses less digits than its factorization.

73210036145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504896835.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 73210036145 in words is "seventy-three billion, two hundred ten million, thirty-six thousand, one hundred forty-five".