70864556 has 12 divisors (see below), whose sum is σ = 141729168. Its totient is φ = 30370512.

The previous prime is 70864537. The next prime is 70864571. The reversal of 70864556 is 65546807.

70864556 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1265411 + ... + 1265466.

It is an arithmetic number, because the mean of its divisors is an integer number (11810764).

Almost surely, 2^70864556 is an apocalyptic number.

It is an amenable number.

70864556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70864556 is a wasteful number, since it uses less digits than its factorization.

70864556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530888 (or 2530886 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 70864556 is about 8418.1088137420. The cubic root of 70864556 is about 413.8182979778.

The spelling of 70864556 in words is "seventy million, eight hundred sixty-four thousand, five hundred fifty-six".