70828856 has 16 divisors (see below), whose sum is σ = 151776240. Its totient is φ = 30355200.

The previous prime is 70828847. The next prime is 70828861. The reversal of 70828856 is 65882807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632345 + ... + 632456.

It is an arithmetic number, because the mean of its divisors is an integer number (9486015).

Almost surely, 2^70828856 is an apocalyptic number.

It is an amenable number.

70828856 is an abundant number, since it is smaller than the sum of its proper divisors (80947384).

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

70828856 is a wasteful number, since it uses less digits than its factorization.

70828856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264814 (or 1264810 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 70828856 is about 8415.9881178623. The cubic root of 70828856 is about 413.7487954620.

The spelling of 70828856 in words is "seventy million, eight hundred twenty-eight thousand, eight hundred fifty-six".