70758599720 has 32 divisors (see below), whose sum is σ = 159369892200. Its totient is φ = 28274454528.

The previous prime is 70758599651. The next prime is 70758599749. The reversal of 70758599720 is 2799585707.

It can be written as a sum of positive squares in 4 ways, for example, as 70561421956 + 197177764 = 265634^2 + 14042^2 .

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70758599720.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866225 + ... + 944384.

Almost surely, 2^70758599720 is an apocalyptic number.

It is an amenable number.

70758599720 is an abundant number, since it is smaller than the sum of its proper divisors (88611292480).

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

70758599720 is a wasteful number, since it uses less digits than its factorization.

70758599720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811597 (or 1811593 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 59.

The spelling of 70758599720 in words is "seventy billion, seven hundred fifty-eight million, five hundred ninety-nine thousand, seven hundred twenty".