673719057 has 12 divisors (see below), whose sum is σ = 1061618064. Its totient is φ = 408314520.

The previous prime is 673719049. The next prime is 673719083. The reversal of 673719057 is 750917376.

It is not a de Polignac number, because 673719057 - 2³ = 673719049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673719047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3402523 + ... + 3402720.

It is an arithmetic number, because the mean of its divisors is an integer number (88468172).

Almost surely, 2^673719057 is an apocalyptic number.

It is an amenable number.

673719057 is a deficient number, since it is larger than the sum of its proper divisors (387899007).

673719057 is a wasteful number, since it uses less digits than its factorization.

673719057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805260 (or 6805257 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 45.

The square root of 673719057 is about 25956.0986475241. The cubic root of 673719057 is about 876.6500811935.

The spelling of 673719057 in words is "six hundred seventy-three million, seven hundred nineteen thousand, fifty-seven".