72055505741 has 16 divisors (see below), whose sum is σ = 76453491840. Its totient is φ = 67720250880.

The previous prime is 72055505713. The next prime is 72055505803. The reversal of 72055505741 is 14750555027.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72055505741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72055505701) 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 15 ways as a sum of consecutive naturals, for example, 1174361 + ... + 1234193.

It is an arithmetic number, because the mean of its divisors is an integer number (4778343240).

Almost surely, 2^72055505741 is an apocalyptic number.

It is an amenable number.

72055505741 is a deficient number, since it is larger than the sum of its proper divisors (4397986099).

72055505741 is a wasteful number, since it uses less digits than its factorization.

72055505741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60356.

The product of its (nonzero) digits is 245000, while the sum is 41.

The spelling of 72055505741 in words is "seventy-two billion, fifty-five million, five hundred five thousand, seven hundred forty-one".