70734745197899 has 4 divisors (see below), whose sum is σ = 70801413196320. Its totient is φ = 70668077199480.

The previous prime is 70734745197871. The next prime is 70734745198001. The reversal of 70734745197899 is 99879154743707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70734745197899 - 2⁸ = 70734745197643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70734745197829) 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 3 ways as a sum of consecutive naturals, for example, 33333997619 + ... + 33333999740.

It is an arithmetic number, because the mean of its divisors is an integer number (17700353299080).

Almost surely, 2^{70734745197899} is an apocalyptic number.

70734745197899 is a deficient number, since it is larger than the sum of its proper divisors (66667998421).

70734745197899 is a wasteful number, since it uses less digits than its factorization.

70734745197899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66667998420.

The product of its (nonzero) digits is 3360631680, while the sum is 80.

The spelling of 70734745197899 in words is "seventy trillion, seven hundred thirty-four billion, seven hundred forty-five million, one hundred ninety-seven thousand, eight hundred ninety-nine".