672705076 has 12 divisors (see below), whose sum is σ = 1190461860. Its totient is φ = 332573120.

The previous prime is 672705073. The next prime is 672705101. The reversal of 672705076 is 670507276.

It can be written as a sum of positive squares in 2 ways, for example, as 144624676 + 528080400 = 12026^2 + 22980^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672705073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944455 + ... + 945166.

It is an arithmetic number, because the mean of its divisors is an integer number (99205155).

Almost surely, 2^672705076 is an apocalyptic number.

It is an amenable number.

672705076 is a deficient number, since it is larger than the sum of its proper divisors (517756784).

672705076 is a wasteful number, since it uses less digits than its factorization.

672705076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889714 (or 1889712 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 672705076 is about 25936.5586768947. The cubic root of 672705076 is about 876.2100595754.

The spelling of 672705076 in words is "six hundred seventy-two million, seven hundred five thousand, seventy-six".