673916801 has 4 divisors (see below), whose sum is σ = 683148612. Its totient is φ = 664684992.

The previous prime is 673916741. The next prime is 673916827. The reversal of 673916801 is 108619376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 365001025 + 308915776 = 19105^2 + 17576^2 .

It is a cyclic number.

It is not a de Polignac number, because 673916801 - 2¹⁰ = 673915777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673916861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4615796 + ... + 4615941.

It is an arithmetic number, because the mean of its divisors is an integer number (170787153).

Almost surely, 2^673916801 is an apocalyptic number.

It is an amenable number.

673916801 is a deficient number, since it is larger than the sum of its proper divisors (9231811).

673916801 is an equidigital number, since it uses as much as digits as its factorization.

673916801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9231810.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 673916801 is about 25959.9075691729. The cubic root of 673916801 is about 876.7358416374.

The spelling of 673916801 in words is "six hundred seventy-three million, nine hundred sixteen thousand, eight hundred one".