673404658 has 8 divisors (see below), whose sum is σ = 1010562480. Its totient is φ = 336550500.

The previous prime is 673404653. The next prime is 673404659. The reversal of 673404658 is 856404376.

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

It is not an unprimeable number, because it can be changed into a prime (673404653) 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, 70288 + ... + 79291.

It is an arithmetic number, because the mean of its divisors is an integer number (126320310).

Almost surely, 2^673404658 is an apocalyptic number.

673404658 is a deficient number, since it is larger than the sum of its proper divisors (337157822).

673404658 is a wasteful number, since it uses less digits than its factorization.

673404658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151832.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 673404658 is about 25950.0415799282. The cubic root of 673404658 is about 876.5136935848.

The spelling of 673404658 in words is "six hundred seventy-three million, four hundred four thousand, six hundred fifty-eight".