70753126821 has 16 divisors (see below), whose sum is σ = 103511108736. Its totient is φ = 42718867776.

The previous prime is 70753126789. The next prime is 70753126831. The reversal of 70753126821 is 12862135707.

It is not a de Polignac number, because 70753126821 - 2⁵ = 70753126789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70753126831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17112865 + ... + 17116998.

It is an arithmetic number, because the mean of its divisors is an integer number (6469444296).

Almost surely, 2^70753126821 is an apocalyptic number.

It is an amenable number.

70753126821 is a deficient number, since it is larger than the sum of its proper divisors (32757981915).

70753126821 is a wasteful number, since it uses less digits than its factorization.

70753126821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34229932.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 70753126821 in words is "seventy billion, seven hundred fifty-three million, one hundred twenty-six thousand, eight hundred twenty-one".