672585277 has 16 divisors (see below), whose sum is σ = 833768320. Its totient is φ = 528316992.

The previous prime is 672585259. The next prime is 672585289. The reversal of 672585277 is 772585276.

672585277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-672585277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672585277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672585217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13938 + ... + 39235.

It is an arithmetic number, because the mean of its divisors is an integer number (52110520).

Almost surely, 2^672585277 is an apocalyptic number.

It is an amenable number.

672585277 is a deficient number, since it is larger than the sum of its proper divisors (161183043).

672585277 is a wasteful number, since it uses less digits than its factorization.

672585277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53332.

The product of its digits is 1646400, while the sum is 49.

The square root of 672585277 is about 25934.2491119369. The cubic root of 672585277 is about 876.1580430605.

Subtracting 672585277 from its reverse (772585276), we obtain a palindrome (99999999).

The spelling of 672585277 in words is "six hundred seventy-two million, five hundred eighty-five thousand, two hundred seventy-seven".