72288951734 has 16 divisors (see below), whose sum is σ = 109285974576. Its totient is φ = 35860588800.

The previous prime is 72288951733. The next prime is 72288951797. The reversal of 72288951734 is 43715988227.

It is a self number, because there is not a number n which added to its sum of digits gives 72288951734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72288951733) by changing a digit.

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, 423374 + ... + 569054.

It is an arithmetic number, because the mean of its divisors is an integer number (6830373411).

Almost surely, 2^72288951734 is an apocalyptic number.

72288951734 is a deficient number, since it is larger than the sum of its proper divisors (36997022842).

72288951734 is a wasteful number, since it uses less digits than its factorization.

72288951734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147631.

The product of its digits is 6773760, while the sum is 56.

The spelling of 72288951734 in words is "seventy-two billion, two hundred eighty-eight million, nine hundred fifty-one thousand, seven hundred thirty-four".