70928845 has 16 divisors (see below), whose sum is σ = 97055280. Its totient is φ = 49296384.

The previous prime is 70928839. The next prime is 70928861. The reversal of 70928845 is 54882907.

It can be written as a sum of positive squares in 8 ways, for example, as 49284 + 70879561 = 222^2 + 8419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70928845 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 30990 + ... + 33199.

It is an arithmetic number, because the mean of its divisors is an integer number (6065955).

Almost surely, 2^70928845 is an apocalyptic number.

It is an amenable number.

70928845 is a deficient number, since it is larger than the sum of its proper divisors (26126435).

70928845 is a wasteful number, since it uses less digits than its factorization.

70928845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64224.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 70928845 is about 8421.9264423290. The cubic root of 70928845 is about 413.9434001209.

The spelling of 70928845 in words is "seventy million, nine hundred twenty-eight thousand, eight hundred forty-five".