673436774 has 16 divisors (see below), whose sum is σ = 1032998400. Its totient is φ = 329122824.

The previous prime is 673436773. The next prime is 673436783. The reversal of 673436774 is 477634376.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673436773) 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, 74597 + ... + 83135.

It is an arithmetic number, because the mean of its divisors is an integer number (64562400).

Almost surely, 2^673436774 is an apocalyptic number.

673436774 is a deficient number, since it is larger than the sum of its proper divisors (359561626).

673436774 is a wasteful number, since it uses less digits than its factorization.

673436774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9427.

The product of its digits is 1778112, while the sum is 47.

The square root of 673436774 is about 25950.6603769538. The cubic root of 673436774 is about 876.5276275871.

The spelling of 673436774 in words is "six hundred seventy-three million, four hundred thirty-six thousand, seven hundred seventy-four".