673557634 has 16 divisors (see below), whose sum is σ = 1024128000. Its totient is φ = 332190144.

The previous prime is 673557613. The next prime is 673557649. The reversal of 673557634 is 436755376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279567 + ... + 281965.

It is an arithmetic number, because the mean of its divisors is an integer number (64008000).

Almost surely, 2^673557634 is an apocalyptic number.

673557634 is a deficient number, since it is larger than the sum of its proper divisors (350570366).

673557634 is a wasteful number, since it uses less digits than its factorization.

673557634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257.

The product of its digits is 1587600, while the sum is 46.

The square root of 673557634 is about 25952.9889222802. The cubic root of 673557634 is about 876.5800605184.

The spelling of 673557634 in words is "six hundred seventy-three million, five hundred fifty-seven thousand, six hundred thirty-four".