70849345 has 12 divisors (see below), whose sum is σ = 98900244. Its totient is φ = 48582240.

The previous prime is 70849343. The next prime is 70849367. The reversal of 70849345 is 54394807.

It can be written as a sum of positive squares in 2 ways, for example, as 46009089 + 24840256 = 6783^2 + 4984^2 .

It is not a de Polignac number, because 70849345 - 2¹ = 70849343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70849298 and 70849307.

It is not an unprimeable number, because it can be changed into a prime (70849343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144346 + ... + 144835.

It is an arithmetic number, because the mean of its divisors is an integer number (8241687).

Almost surely, 2^70849345 is an apocalyptic number.

It is an amenable number.

70849345 is a deficient number, since it is larger than the sum of its proper divisors (28050899).

70849345 is a wasteful number, since it uses less digits than its factorization.

70849345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289200 (or 289193 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 70849345 is about 8417.2052962964. The cubic root of 70849345 is about 413.7886873096.

The spelling of 70849345 in words is "seventy million, eight hundred forty-nine thousand, three hundred forty-five".