70775856 has 100 divisors (see below), whose sum is σ = 207325272. Its totient is φ = 23307264.

The previous prime is 70775849. The next prime is 70775891. The reversal of 70775856 is 65857707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 125431 + ... + 125993.

Almost surely, 2^70775856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70775856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103662636).

70775856 is an abundant number, since it is smaller than the sum of its proper divisors (136549416).

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

70775856 is a wasteful number, since it uses less digits than its factorization.

70775856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The square root of 70775856 is about 8412.8387598955. The cubic root of 70775856 is about 413.6455693699.

It can be divided in two parts, 70775 and 856, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 70775856 in words is "seventy million, seven hundred seventy-five thousand, eight hundred fifty-six".