7964217670 has 32 divisors (see below), whose sum is σ = 14478377760. Its totient is φ = 3154083840.

The previous prime is 7964217643. The next prime is 7964217671. The reversal of 7964217670 is 767124697.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7964217671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510790 + ... + 526150.

It is an arithmetic number, because the mean of its divisors is an integer number (452449305).

Almost surely, 2^7964217670 is an apocalyptic number.

7964217670 is a deficient number, since it is larger than the sum of its proper divisors (6514160090).

7964217670 is a wasteful number, since it uses less digits than its factorization.

7964217670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15880.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 7964217670 is about 89242.4656203536. The cubic root of 7964217670 is about 1997.0136823394.

The spelling of 7964217670 in words is "seven billion, nine hundred sixty-four million, two hundred seventeen thousand, six hundred seventy".