673276393 has 4 divisors (see below), whose sum is σ = 673983828. Its totient is φ = 672568960.

The previous prime is 673276391. The next prime is 673276397. The reversal of 673276393 is 393672376.

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 275991769 + 397284624 = 16613^2 + 19932^2 .

It is a cyclic number.

It is not a de Polignac number, because 673276393 - 2¹ = 673276391 is a prime.

It is a super-2 number, since 2×673276393² = 906602202742180898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673276391) 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, 352288 + ... + 354193.

It is an arithmetic number, because the mean of its divisors is an integer number (168495957).

Almost surely, 2^673276393 is an apocalyptic number.

It is an amenable number.

673276393 is a deficient number, since it is larger than the sum of its proper divisors (707435).

673276393 is an equidigital number, since it uses as much as digits as its factorization.

673276393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707434.

The product of its digits is 857304, while the sum is 46.

The square root of 673276393 is about 25947.5700789111. The cubic root of 673276393 is about 876.4580394961.

The spelling of 673276393 in words is "six hundred seventy-three million, two hundred seventy-six thousand, three hundred ninety-three".