673815716 has 24 divisors (see below), whose sum is σ = 1351405440. Its totient is φ = 287969472.

The previous prime is 673815683. The next prime is 673815733. The reversal of 673815716 is 617518376.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23465 + ... + 43568.

It is an arithmetic number, because the mean of its divisors is an integer number (56308560).

Almost surely, 2^673815716 is an apocalyptic number.

It is an amenable number.

673815716 is an abundant number, since it is smaller than the sum of its proper divisors (677589724).

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

673815716 is a wasteful number, since it uses less digits than its factorization.

673815716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67403 (or 67401 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 673815716 is about 25957.9605516304. The cubic root of 673815716 is about 876.6920037463.

The spelling of 673815716 in words is "six hundred seventy-three million, eight hundred fifteen thousand, seven hundred sixteen".