673824620438 has 8 divisors (see below), whose sum is σ = 1010760709032. Its totient is φ = 336904384096.

The previous prime is 673824620423. The next prime is 673824620527. The reversal of 673824620438 is 834026428376.

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

It is a self number, because there is not a number n which added to its sum of digits gives 673824620438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3856220 + ... + 4027167.

It is an arithmetic number, because the mean of its divisors is an integer number (126345088629).

Almost surely, 2^673824620438 is an apocalyptic number.

673824620438 is a deficient number, since it is larger than the sum of its proper divisors (336936088594).

673824620438 is a wasteful number, since it uses less digits than its factorization.

673824620438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926126.

The product of its (nonzero) digits is 9289728, while the sum is 53.

The spelling of 673824620438 in words is "six hundred seventy-three billion, eight hundred twenty-four million, six hundred twenty thousand, four hundred thirty-eight".