70823703728 has 60 divisors (see below), whose sum is σ = 142234545960. Its totient is φ = 34158812160.

The previous prime is 70823703721. The next prime is 70823703751. The reversal of 70823703728 is 82730732807.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70823703721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2378951 + ... + 2408537.

It is an arithmetic number, because the mean of its divisors is an integer number (2370575766).

Almost surely, 2^70823703728 is an apocalyptic number.

It is an amenable number.

70823703728 is an abundant number, since it is smaller than the sum of its proper divisors (71410842232).

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

70823703728 is a wasteful number, since it uses less digits than its factorization.

70823703728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29766 (or 29719 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 70823703728 in words is "seventy billion, eight hundred twenty-three million, seven hundred three thousand, seven hundred twenty-eight".