70205256500 has 48 divisors (see below), whose sum is σ = 161398211520. Its totient is φ = 26604093600.

The previous prime is 70205256497. The next prime is 70205256581. The reversal of 70205256500 is 565250207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3685514 + ... + 3704513.

It is an arithmetic number, because the mean of its divisors is an integer number (3362462740).

Almost surely, 2^70205256500 is an apocalyptic number.

It is an amenable number.

70205256500 is an abundant number, since it is smaller than the sum of its proper divisors (91192955020).

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

70205256500 is a wasteful number, since it uses less digits than its factorization.

70205256500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390065 (or 7390053 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 70205256500 in words is "seventy billion, two hundred five million, two hundred fifty-six thousand, five hundred".