672707277 has 12 divisors (see below), whose sum is σ = 1060023744. Its totient is φ = 407701320.

The previous prime is 672707267. The next prime is 672707279. The reversal of 672707277 is 772707276.

It is not a de Polignac number, because 672707277 - 2⁴ = 672707261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672707279) 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 11 ways as a sum of consecutive naturals, for example, 3397413 + ... + 3397610.

It is an arithmetic number, because the mean of its divisors is an integer number (88335312).

Almost surely, 2^672707277 is an apocalyptic number.

It is an amenable number.

672707277 is a deficient number, since it is larger than the sum of its proper divisors (387316467).

672707277 is a wasteful number, since it uses less digits than its factorization.

672707277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795040 (or 6795037 counting only the distinct ones).

The product of its (nonzero) digits is 403368, while the sum is 45.

The square root of 672707277 is about 25936.6011073155. The cubic root of 672707277 is about 876.2110151879.

Subtracting 672707277 from its reverse (772707276), we obtain a palindrome (99999999).

It can be divided in two parts, 67270 and 7277, that added together give a palindrome (74547).

The spelling of 672707277 in words is "six hundred seventy-two million, seven hundred seven thousand, two hundred seventy-seven".