673404712 has 8 divisors (see below), whose sum is σ = 1262633850. Its totient is φ = 336702352.

The previous prime is 673404709. The next prime is 673404713. The reversal of 673404712 is 217404376.

It can be written as a sum of positive squares in only one way, i.e., 626701156 + 46703556 = 25034^2 + 6834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×673404712² = 906947812287605888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673404713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42087787 + ... + 42087802.

Almost surely, 2^673404712 is an apocalyptic number.

It is an amenable number.

673404712 is a deficient number, since it is larger than the sum of its proper divisors (589229138).

673404712 is a wasteful number, since it uses less digits than its factorization.

673404712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84175595 (or 84175591 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 673404712 is about 25950.0426203889. The cubic root of 673404712 is about 876.5137170138.

The spelling of 673404712 in words is "six hundred seventy-three million, four hundred four thousand, seven hundred twelve".