70773770424 has 128 divisors (see below), whose sum is σ = 203977267200. Its totient is φ = 20044886400.

The previous prime is 70773770399. The next prime is 70773770471. The reversal of 70773770424 is 42407737707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18376099 + ... + 18379949.

It is an arithmetic number, because the mean of its divisors is an integer number (1593572400).

Almost surely, 2^70773770424 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 70773770424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101988633600).

70773770424 is an abundant number, since it is smaller than the sum of its proper divisors (133203496776).

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

70773770424 is a wasteful number, since it uses less digits than its factorization.

70773770424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793 (or 4789 counting only the distinct ones).

The product of its (nonzero) digits is 1613472, while the sum is 48.

The spelling of 70773770424 in words is "seventy billion, seven hundred seventy-three million, seven hundred seventy thousand, four hundred twenty-four".