70205256530 has 64 divisors (see below), whose sum is σ = 131544725760. Its totient is φ = 26955801600.

The previous prime is 70205256497. The next prime is 70205256581. The reversal of 70205256530 is 3565250207.

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, 15920966 + ... + 15925374.

It is an arithmetic number, because the mean of its divisors is an integer number (2055386340).

Almost surely, 2^70205256530 is an apocalyptic number.

70205256530 is a deficient number, since it is larger than the sum of its proper divisors (61339469230).

70205256530 is a wasteful number, since it uses less digits than its factorization.

70205256530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075.

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 70205256530 in words is "seventy billion, two hundred five million, two hundred fifty-six thousand, five hundred thirty".