70719317745 has 32 divisors (see below), whose sum is σ = 121640417280. Its totient is φ = 34971606720.

The previous prime is 70719317719. The next prime is 70719317761. The reversal of 70719317745 is 54771391707.

It is a happy number.

It is not a de Polignac number, because 70719317745 - 2⁶ = 70719317681 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2626371 + ... + 2653160.

It is an arithmetic number, because the mean of its divisors is an integer number (3801263040).

Almost surely, 2^70719317745 is an apocalyptic number.

It is an amenable number.

70719317745 is a deficient number, since it is larger than the sum of its proper divisors (50921099535).

70719317745 is a wasteful number, since it uses less digits than its factorization.

70719317745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279605.

The product of its (nonzero) digits is 1296540, while the sum is 51.

The spelling of 70719317745 in words is "seventy billion, seven hundred nineteen million, three hundred seventeen thousand, seven hundred forty-five".