70773930864 has 270 divisors, whose sum is σ = 249497586936. Its totient is φ = 18665337600.

The previous prime is 70773930863. The next prime is 70773930881. The reversal of 70773930864 is 46803937707.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70773930864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70773930863) 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 53 ways as a sum of consecutive naturals, for example, 1162789 + ... + 1222139.

Almost surely, 2^70773930864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70773930864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124748793468).

70773930864 is an abundant number, since it is smaller than the sum of its proper divisors (178723656072).

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

70773930864 is a wasteful number, since it uses less digits than its factorization.

70773930864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59405 (or 59376 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 70773930864 in words is "seventy billion, seven hundred seventy-three million, nine hundred thirty thousand, eight hundred sixty-four".