673996964 has 12 divisors (see below), whose sum is σ = 1206925104. Its totient is φ = 329161224.

The previous prime is 673996963. The next prime is 673996987. The reversal of 673996964 is 469699376.

It is not an unprimeable number, because it can be changed into a prime (673996963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959122 + ... + 1959465.

It is an arithmetic number, because the mean of its divisors is an integer number (100577092).

Almost surely, 2^673996964 is an apocalyptic number.

It is an amenable number.

673996964 is a deficient number, since it is larger than the sum of its proper divisors (532928140).

673996964 is a wasteful number, since it uses less digits than its factorization.

673996964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918634 (or 3918632 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 59.

The square root of 673996964 is about 25961.4515002532. The cubic root of 673996964 is about 876.7706030939.

The spelling of 673996964 in words is "six hundred seventy-three million, nine hundred ninety-six thousand, nine hundred sixty-four".