73002065140 has 24 divisors (see below), whose sum is σ = 153311197032. Its totient is φ = 29199519360.

The previous prime is 73002065111. The next prime is 73002065141. The reversal of 73002065140 is 4156020037.

It can be written as a sum of positive squares in 4 ways, for example, as 509796 + 73001555344 = 714^2 + 270188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73002065099 and 73002065108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73002065141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466030 + ... + 602650.

It is an arithmetic number, because the mean of its divisors is an integer number (6387966543).

Almost surely, 2^73002065140 is an apocalyptic number.

It is an amenable number.

73002065140 is an abundant number, since it is smaller than the sum of its proper divisors (80309131892).

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

73002065140 is a wasteful number, since it uses less digits than its factorization.

73002065140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163347 (or 163345 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 73002065140 its reverse (4156020037), we get a palindrome (77158085177).

The spelling of 73002065140 in words is "seventy-three billion, two million, sixty-five thousand, one hundred forty".