72104144432302 has 16 divisors (see below), whose sum is σ = 108804340425312. Its totient is φ = 35836032869280.

The previous prime is 72104144432267. The next prime is 72104144432323. The reversal of 72104144432302 is 20323444140127.

It is a super-2 number, since 2×72104144432302² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121929328 + ... + 122519260.

It is an arithmetic number, because the mean of its divisors is an integer number (6800271276582).

Almost surely, 2^{72104144432302} is an apocalyptic number.

72104144432302 is a deficient number, since it is larger than the sum of its proper divisors (36700195993010).

72104144432302 is a wasteful number, since it uses less digits than its factorization.

72104144432302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956043.

The product of its (nonzero) digits is 129024, while the sum is 37.

Adding to 72104144432302 its reverse (20323444140127), we get a palindrome (92427588572429).

The spelling of 72104144432302 in words is "seventy-two trillion, one hundred four billion, one hundred forty-four million, four hundred thirty-two thousand, three hundred two".