70602605578 has 4 divisors (see below), whose sum is σ = 105903908370. Its totient is φ = 35301302788.

The previous prime is 70602605539. The next prime is 70602605587. The reversal of 70602605578 is 87550620607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87550620607 = 24907 ⋅3515101.

It can be written as a sum of positive squares in only one way, i.e., 42276705769 + 28325899809 = 205613^2 + 168303^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17650651393 + ... + 17650651396.

Almost surely, 2^70602605578 is an apocalyptic number.

70602605578 is a deficient number, since it is larger than the sum of its proper divisors (35301302792).

70602605578 is a wasteful number, since it uses less digits than its factorization.

70602605578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35301302791.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 70602605578 in words is "seventy billion, six hundred two million, six hundred five thousand, five hundred seventy-eight".