72531511302713 has 8 divisors (see below), whose sum is σ = 72566960019456. Its totient is φ = 72496066500000.

The previous prime is 72531511302673. The next prime is 72531511302721. The reversal of 72531511302713 is 31720311513527.

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 72531511302713 - 2¹⁴ = 72531511286329 is a prime.

It is a super-3 number, since 3×72531511302713³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72531511302793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36442088 + ... + 38380838.

It is an arithmetic number, because the mean of its divisors is an integer number (9070870002432).

Almost surely, 2^{72531511302713} is an apocalyptic number.

It is an amenable number.

72531511302713 is a deficient number, since it is larger than the sum of its proper divisors (35448716743).

72531511302713 is a wasteful number, since it uses less digits than its factorization.

72531511302713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957015.

The product of its (nonzero) digits is 132300, while the sum is 41.

The spelling of 72531511302713 in words is "seventy-two trillion, five hundred thirty-one billion, five hundred eleven million, three hundred two thousand, seven hundred thirteen".