70773706744 has 32 divisors (see below), whose sum is σ = 143506440000. Its totient is φ = 32528103552.

The previous prime is 70773706739. The next prime is 70773706747. The reversal of 70773706744 is 44760737707.

It is a super-2 number, since 2×70773706744² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 70773706691 and 70773706700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70773706747) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1398819 + ... + 1448530.

It is an arithmetic number, because the mean of its divisors is an integer number (4484576250).

Almost surely, 2^70773706744 is an apocalyptic number.

It is an amenable number.

70773706744 is an abundant number, since it is smaller than the sum of its proper divisors (72732733256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70773706744 is a wasteful number, since it uses less digits than its factorization.

70773706744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847607 (or 2847603 counting only the distinct ones).

The product of its (nonzero) digits is 4840416, while the sum is 52.

The spelling of 70773706744 in words is "seventy billion, seven hundred seventy-three million, seven hundred six thousand, seven hundred forty-four".