72144300073 has 8 divisors (see below), whose sum is σ = 73494272160. Its totient is φ = 70798567680.

The previous prime is 72144300061. The next prime is 72144300091. The reversal of 72144300073 is 37000344127.

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

It is a cyclic number.

It is not a de Polignac number, because 72144300073 - 2¹³ = 72144291881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72144300043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025563 + ... + 1093648.

It is an arithmetic number, because the mean of its divisors is an integer number (9186784020).

Almost surely, 2^72144300073 is an apocalyptic number.

It is an amenable number.

72144300073 is a deficient number, since it is larger than the sum of its proper divisors (1349972087).

72144300073 is a wasteful number, since it uses less digits than its factorization.

72144300073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119847.

The product of its (nonzero) digits is 14112, while the sum is 31.

The spelling of 72144300073 in words is "seventy-two billion, one hundred forty-four million, three hundred thousand, seventy-three".