672276806 has 16 divisors (see below), whose sum is σ = 1023290928. Its totient is φ = 331212000.

The previous prime is 672276769. The next prime is 672276809. The reversal of 672276806 is 608672276.

It is a super-2 number, since 2×672276806² = 903912207771123272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672276809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34736 + ... + 50508.

It is an arithmetic number, because the mean of its divisors is an integer number (63955683).

Almost surely, 2^672276806 is an apocalyptic number.

672276806 is a deficient number, since it is larger than the sum of its proper divisors (351014122).

672276806 is a wasteful number, since it uses less digits than its factorization.

672276806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16087.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 672276806 is about 25928.3012555779. The cubic root of 672276806 is about 876.0240770611.

The spelling of 672276806 in words is "six hundred seventy-two million, two hundred seventy-six thousand, eight hundred six".