70520705021600 has 36 divisors (see below), whose sum is σ = 172158671135934. Its totient is φ = 28208282008320.

The previous prime is 70520705021587. The next prime is 70520705021621. The reversal of 70520705021600 is 612050702507.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 62031943073296 + 8488761948304 = 7876036^2 + 2913548^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44075439839 + ... + 44075441438.

Almost surely, 2^{70520705021600} is an apocalyptic number.

It is an amenable number.

70520705021600 is an abundant number, since it is smaller than the sum of its proper divisors (101637966114334).

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

70520705021600 is a wasteful number, since it uses less digits than its factorization.

70520705021600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88150881297 (or 88150881284 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 70520705021600 in words is "seventy trillion, five hundred twenty billion, seven hundred five million, twenty-one thousand, six hundred".