673420814 has 16 divisors (see below), whose sum is σ = 1114346160. Its totient is φ = 302660160.

The previous prime is 673420793. The next prime is 673420829. The reversal of 673420814 is 418024376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170009 + ... + 173924.

It is an arithmetic number, because the mean of its divisors is an integer number (69646635).

Almost surely, 2^673420814 is an apocalyptic number.

673420814 is a deficient number, since it is larger than the sum of its proper divisors (440925346).

673420814 is a wasteful number, since it uses less digits than its factorization.

673420814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344035.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 673420814 is about 25950.3528685064. The cubic root of 673420814 is about 876.5207031601.

The spelling of 673420814 in words is "six hundred seventy-three million, four hundred twenty thousand, eight hundred fourteen".