72514252741 has 12 divisors (see below), whose sum is σ = 84383251212. Its totient is φ = 62133015168.

The previous prime is 72514252739. The next prime is 72514252801. The reversal of 72514252741 is 14725241527.

It can be written as a sum of positive squares in 2 ways, for example, as 56301323841 + 16212928900 = 237279^2 + 127330^2 .

It is not a de Polignac number, because 72514252741 - 2¹ = 72514252739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72514252694 and 72514252703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72514252711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122370 + ... + 400003.

It is an arithmetic number, because the mean of its divisors is an integer number (7031937601).

Almost surely, 2^72514252741 is an apocalyptic number.

It is an amenable number.

72514252741 is a deficient number, since it is larger than the sum of its proper divisors (11868998471).

72514252741 is a wasteful number, since it uses less digits than its factorization.

72514252741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525220 (or 525213 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The spelling of 72514252741 in words is "seventy-two billion, five hundred fourteen million, two hundred fifty-two thousand, seven hundred forty-one".