72412045440547 has 2 divisors, whose sum is σ = 72412045440548. Its totient is φ = 72412045440546.

The previous prime is 72412045440451. The next prime is 72412045440671. The reversal of 72412045440547 is 74504454021427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72412045440547 - 2⁴³ = 63615952418339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72412045440547.

It is not a weakly prime, because it can be changed into another prime (72412045449547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36206022720273 + 36206022720274.

It is an arithmetic number, because the mean of its divisors is an integer number (36206022720274).

Almost surely, 2^{72412045440547} is an apocalyptic number.

72412045440547 is a deficient number, since it is larger than the sum of its proper divisors (1).

72412045440547 is an equidigital number, since it uses as much as digits as its factorization.

72412045440547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5017600, while the sum is 49.

The spelling of 72412045440547 in words is "seventy-two trillion, four hundred twelve billion, forty-five million, four hundred forty thousand, five hundred forty-seven".