70502848128 has 48 divisors (see below), whose sum is σ = 202879292850. Its totient is φ = 23500948992.

The previous prime is 70502848121. The next prime is 70502848133. The reversal of 70502848128 is 82184820507.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70241961024 + 260887104 = 265032^2 + 16152^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (70502848121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30599043 + ... + 30601346.

Almost surely, 2^70502848128 is an apocalyptic number.

It is an amenable number.

70502848128 is an abundant number, since it is smaller than the sum of its proper divisors (132376444722).

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

70502848128 is a wasteful number, since it uses less digits than its factorization.

70502848128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61200409 (or 61200394 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 70502848128 in words is "seventy billion, five hundred two million, eight hundred forty-eight thousand, one hundred twenty-eight".