673670026 has 8 divisors (see below), whose sum is σ = 1037816100. Its totient is φ = 327731328.

The previous prime is 673670009. The next prime is 673670027. The reversal of 673670026 is 620076376.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 655616025 + 18054001 = 25605^2 + 4249^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (673670027) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4551751 + ... + 4551898.

Almost surely, 2^673670026 is an apocalyptic number.

673670026 is a deficient number, since it is larger than the sum of its proper divisors (364146074).

673670026 is a wasteful number, since it uses less digits than its factorization.

673670026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103688.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 673670026 is about 25955.1541316942. The cubic root of 673670026 is about 876.6288141325.

The spelling of 673670026 in words is "six hundred seventy-three million, six hundred seventy thousand, twenty-six".