673406734 has 64 divisors (see below), whose sum is σ = 1393039872. Its totient is φ = 235612800.

The previous prime is 673406731. The next prime is 673406753. The reversal of 673406734 is 437604376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673406731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69529 + ... + 78619.

It is an arithmetic number, because the mean of its divisors is an integer number (21766248).

Almost surely, 2^673406734 is an apocalyptic number.

673406734 is an abundant number, since it is smaller than the sum of its proper divisors (719633138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673406734 is a wasteful number, since it uses less digits than its factorization.

673406734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9161.

The product of its (nonzero) digits is 254016, while the sum is 40.

The square root of 673406734 is about 25950.0815798332. The cubic root of 673406734 is about 876.5145943015.

The spelling of 673406734 in words is "six hundred seventy-three million, four hundred six thousand, seven hundred thirty-four".