673399670 has 16 divisors (see below), whose sum is σ = 1251220608. Its totient is φ = 260670720.

The previous prime is 673399607. The next prime is 673399673. The reversal of 673399670 is 76993376.

673399670 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×673399670² = 906934231112217800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673399673) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1085819 + ... + 1086438.

It is an arithmetic number, because the mean of its divisors is an integer number (78201288).

Almost surely, 2^673399670 is an apocalyptic number.

673399670 is a deficient number, since it is larger than the sum of its proper divisors (577820938).

673399670 is a wasteful number, since it uses less digits than its factorization.

673399670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172295.

The product of its (nonzero) digits is 1285956, while the sum is 50.

The square root of 673399670 is about 25949.9454720044. The cubic root of 673399670 is about 876.5115294273.

The spelling of 673399670 in words is "six hundred seventy-three million, three hundred ninety-nine thousand, six hundred seventy".