70820445794 has 32 divisors (see below), whose sum is σ = 123552915840. Its totient is φ = 29819357568.

The previous prime is 70820445767. The next prime is 70820445887. The reversal of 70820445794 is 49754402807.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 14609 + ... + 376635.

It is an arithmetic number, because the mean of its divisors is an integer number (3861028620).

Almost surely, 2^70820445794 is an apocalyptic number.

70820445794 is a deficient number, since it is larger than the sum of its proper divisors (52732470046).

70820445794 is a wasteful number, since it uses less digits than its factorization.

70820445794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362282.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 70820445794 in words is "seventy billion, eight hundred twenty million, four hundred forty-five thousand, seven hundred ninety-four".