70849646 has 16 divisors (see below), whose sum is σ = 121564800. Its totient is φ = 30337080.

The previous prime is 70849643. The next prime is 70849657. The reversal of 70849646 is 64694807.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70849597 and 70849606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70849643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28181 + ... + 30591.

It is an arithmetic number, because the mean of its divisors is an integer number (7597800).

Almost surely, 2^70849646 is an apocalyptic number.

70849646 is a deficient number, since it is larger than the sum of its proper divisors (50715154).

70849646 is a wasteful number, since it uses less digits than its factorization.

70849646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 70849646 is about 8417.2231763213. The cubic root of 70849646 is about 413.7892732958.

The spelling of 70849646 in words is "seventy million, eight hundred forty-nine thousand, six hundred forty-six".