73002065144 has 8 divisors (see below), whose sum is σ = 136878872160. Its totient is φ = 36501032568.

The previous prime is 73002065141. The next prime is 73002065173. The reversal of 73002065144 is 44156020037.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 73002065144.

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 as a sum of consecutive naturals, namely, 4562629064 + ... + 4562629079.

It is an arithmetic number, because the mean of its divisors is an integer number (17109859020).

Almost surely, 2^73002065144 is an apocalyptic number.

It is an amenable number.

73002065144 is a deficient number, since it is larger than the sum of its proper divisors (63876807016).

73002065144 is a wasteful number, since it uses less digits than its factorization.

73002065144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125258149 (or 9125258145 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 73002065144 in words is "seventy-three billion, two million, sixty-five thousand, one hundred forty-four".