673540870 has 8 divisors (see below), whose sum is σ = 1212373584. Its totient is φ = 269416344.

The previous prime is 673540811. The next prime is 673540877. The reversal of 673540870 is 78045376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673540877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33677034 + ... + 33677053.

It is an arithmetic number, because the mean of its divisors is an integer number (151546698).

Almost surely, 2^673540870 is an apocalyptic number.

673540870 is a deficient number, since it is larger than the sum of its proper divisors (538832714).

673540870 is a wasteful number, since it uses less digits than its factorization.

673540870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67354094.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 673540870 is about 25952.6659516898. The cubic root of 673540870 is about 876.5727881340.

The spelling of 673540870 in words is "six hundred seventy-three million, five hundred forty thousand, eight hundred seventy".