72530756271354 has 64 divisors (see below), whose sum is σ = 146601639233280. Its totient is φ = 23920887651840.

The previous prime is 72530756271353. The next prime is 72530756271427. The reversal of 72530756271354 is 45317265703527.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72530756271294 and 72530756271303.

It is not an unprimeable number, because it can be changed into a prime (72530756271353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1485622264 + ... + 1485671084.

It is an arithmetic number, because the mean of its divisors is an integer number (2290650613020).

Almost surely, 2^{72530756271354} is an apocalyptic number.

72530756271354 is an abundant number, since it is smaller than the sum of its proper divisors (74070882961926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72530756271354 is a wasteful number, since it uses less digits than its factorization.

72530756271354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52135.

The product of its (nonzero) digits is 37044000, while the sum is 57.

The spelling of 72530756271354 in words is "seventy-two trillion, five hundred thirty billion, seven hundred fifty-six million, two hundred seventy-one thousand, three hundred fifty-four".