1305072448747 has 8 divisors (see below), whose sum is σ = 1306220045760. Its totient is φ = 1303925184960.

The previous prime is 1305072448739. The next prime is 1305072448759. The reversal of 1305072448747 is 7478442705031.

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 1305072448747 - 2³ = 1305072448739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1305072448694 and 1305072448703.

It is not an unprimeable number, because it can be changed into a prime (1305072448787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8104129 + ... + 8263597.

It is an arithmetic number, because the mean of its divisors is an integer number (163277505720).

Almost surely, 2^{1305072448747} is an apocalyptic number.

1305072448747 is a deficient number, since it is larger than the sum of its proper divisors (1147597013).

1305072448747 is a wasteful number, since it uses less digits than its factorization.

1305072448747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166613.

The product of its (nonzero) digits is 5268480, while the sum is 52.

The spelling of 1305072448747 in words is "one trillion, three hundred five billion, seventy-two million, four hundred forty-eight thousand, seven hundred forty-seven".