672471 has 6 divisors (see below), whose sum is σ = 971360. Its totient is φ = 448308.

The previous prime is 672443. The next prime is 672473. The reversal of 672471 is 174276.

672471 = 84² + 85² + ... + 137².

672471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672471 - 2⁵ = 672439 is a prime.

It is a super-3 number, since 3×672471³ = 912308950583829333, which contains 333 as substring.

It is a Duffinian number.

672471 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37351 + ... + 37368.

2⁶⁷²⁴⁷¹ is an apocalyptic number.

672471 is a deficient number, since it is larger than the sum of its proper divisors (298889).

672471 is a wasteful number, since it uses less digits than its factorization.

672471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74725 (or 74722 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 672471 is about 820.0432915401. The cubic root of 672471 is about 87.6108418432.

The spelling of 672471 in words is "six hundred seventy-two thousand, four hundred seventy-one".