672106782 has 32 divisors (see below), whose sum is σ = 1405216512. Its totient is φ = 213904064.

The previous prime is 672106717. The next prime is 672106789. The reversal of 672106782 is 287601276.

It is a self number, because there is not a number n which added to its sum of digits gives 672106782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672106789) 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 15 ways as a sum of consecutive naturals, for example, 76858 + ... + 85154.

It is an arithmetic number, because the mean of its divisors is an integer number (43913016).

Almost surely, 2^672106782 is an apocalyptic number.

672106782 is an abundant number, since it is smaller than the sum of its proper divisors (733109730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672106782 is a wasteful number, since it uses less digits than its factorization.

672106782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 672106782 is about 25925.0223143588. The cubic root of 672106782 is about 875.9502197479.

The spelling of 672106782 in words is "six hundred seventy-two million, one hundred six thousand, seven hundred eighty-two".