70734073699 has 4 divisors (see below), whose sum is σ = 70736593864. Its totient is φ = 70731553536.

The previous prime is 70734073693. The next prime is 70734073741. The reversal of 70734073699 is 99637043707.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99637043707 = 17 ⋅5861002571.

It is a cyclic number.

It is not a de Polignac number, because 70734073699 - 2⁵ = 70734073667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70734073693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217502 + ... + 1274275.

It is an arithmetic number, because the mean of its divisors is an integer number (17684148466).

Almost surely, 2^70734073699 is an apocalyptic number.

70734073699 is a deficient number, since it is larger than the sum of its proper divisors (2520165).

70734073699 is a wasteful number, since it uses less digits than its factorization.

70734073699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520164.

The product of its (nonzero) digits is 6001128, while the sum is 55.

The spelling of 70734073699 in words is "seventy billion, seven hundred thirty-four million, seventy-three thousand, six hundred ninety-nine".