70812856 has 16 divisors (see below), whose sum is σ = 132989040. Its totient is φ = 35349120.

The previous prime is 70812839. The next prime is 70812881. The reversal of 70812856 is 65821807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665 + ... + 12016.

It is an arithmetic number, because the mean of its divisors is an integer number (8311815).

Almost surely, 2^70812856 is an apocalyptic number.

It is an amenable number.

70812856 is a deficient number, since it is larger than the sum of its proper divisors (62176184).

70812856 is a wasteful number, since it uses less digits than its factorization.

70812856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14334 (or 14330 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 70812856 is about 8415.0374924893. The cubic root of 70812856 is about 413.7176382961.

The spelling of 70812856 in words is "seventy million, eight hundred twelve thousand, eight hundred fifty-six".