72076984543 has 2 divisors, whose sum is σ = 72076984544. Its totient is φ = 72076984542.

The previous prime is 72076984537. The next prime is 72076984621. The reversal of 72076984543 is 34548967027.

It is a weak prime.

It is an emirp because it is prime and its reverse (34548967027) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72076984543 is a prime.

It is a super-3 number, since 3×72076984543³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72076984943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36038492271 + 36038492272.

It is an arithmetic number, because the mean of its divisors is an integer number (36038492272).

Almost surely, 2^72076984543 is an apocalyptic number.

72076984543 is a deficient number, since it is larger than the sum of its proper divisors (1).

72076984543 is an equidigital number, since it uses as much as digits as its factorization.

72076984543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 72076984543 in words is "seventy-two billion, seventy-six million, nine hundred eighty-four thousand, five hundred forty-three".