672082826 has 4 divisors (see below), whose sum is σ = 1008124242. Its totient is φ = 336041412.

The previous prime is 672082799. The next prime is 672082843. The reversal of 672082826 is 628280276.

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

It can be written as a sum of positive squares in only one way, i.e., 670861801 + 1221025 = 25901^2 + 1105^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 168020705 + ... + 168020708.

Almost surely, 2^672082826 is an apocalyptic number.

672082826 is a deficient number, since it is larger than the sum of its proper divisors (336041416).

672082826 is a wasteful number, since it uses less digits than its factorization.

672082826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336041415.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 672082826 is about 25924.5602855670. The cubic root of 672082826 is about 875.9398124171.

The spelling of 672082826 in words is "six hundred seventy-two million, eighty-two thousand, eight hundred twenty-six".