673519564 has 6 divisors (see below), whose sum is σ = 1178659244. Its totient is φ = 336759780.

The previous prime is 673519559. The next prime is 673519571. The reversal of 673519564 is 465915376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84189942 + ... + 84189949.

Almost surely, 2^673519564 is an apocalyptic number.

It is an amenable number.

673519564 is a deficient number, since it is larger than the sum of its proper divisors (505139680).

673519564 is a wasteful number, since it uses less digits than its factorization.

673519564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168379895 (or 168379893 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The square root of 673519564 is about 25952.2554703825. The cubic root of 673519564 is about 876.5635452122.

The spelling of 673519564 in words is "six hundred seventy-three million, five hundred nineteen thousand, five hundred sixty-four".