672471285 has 16 divisors (see below), whose sum is σ = 1113056640. Its totient is φ = 346283840.

The previous prime is 672471277. The next prime is 672471287. The reversal of 672471285 is 582174276.

It is not a de Polignac number, because 672471285 - 2³ = 672471277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672471287) 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, 772521 + ... + 773390.

It is an arithmetic number, because the mean of its divisors is an integer number (69566040).

Almost surely, 2^672471285 is an apocalyptic number.

It is an amenable number.

672471285 is a deficient number, since it is larger than the sum of its proper divisors (440585355).

672471285 is a wasteful number, since it uses less digits than its factorization.

672471285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545948.

The product of its digits is 188160, while the sum is 42.

The square root of 672471285 is about 25932.0513072144. The cubic root of 672471285 is about 876.1085421997.

The spelling of 672471285 in words is "six hundred seventy-two million, four hundred seventy-one thousand, two hundred eighty-five".