673437044 has 24 divisors (see below), whose sum is σ = 1347830400. Its totient is φ = 288410976.

The previous prime is 673436999. The next prime is 673437049. The reversal of 673437044 is 440734376.

It is a junction number, because it is equal to n+sod(n) for n = 673436989 and 673437007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673437049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35609 + ... + 51135.

It is an arithmetic number, because the mean of its divisors is an integer number (56159600).

Almost surely, 2^673437044 is an apocalyptic number.

It is an amenable number.

673437044 is an abundant number, since it is smaller than the sum of its proper divisors (674393356).

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

673437044 is a wasteful number, since it uses less digits than its factorization.

673437044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17087 (or 17085 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 38.

The square root of 673437044 is about 25950.6655791330. The cubic root of 673437044 is about 876.5277447288.

The spelling of 673437044 in words is "six hundred seventy-three million, four hundred thirty-seven thousand, forty-four".