672856471 has 8 divisors (see below), whose sum is σ = 769228704. Its totient is φ = 576546720.

The previous prime is 672856451. The next prime is 672856487. The reversal of 672856471 is 174658276.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672856471 - 2⁵ = 672856439 is a prime.

It is a super-3 number, since 3×672856471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672856441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10341 + ... + 38113.

It is an arithmetic number, because the mean of its divisors is an integer number (96153588).

Almost surely, 2^672856471 is an apocalyptic number.

672856471 is a deficient number, since it is larger than the sum of its proper divisors (96372233).

672856471 is a wasteful number, since it uses less digits than its factorization.

672856471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31241.

The product of its digits is 564480, while the sum is 46.

The square root of 672856471 is about 25939.4770764563. The cubic root of 672856471 is about 876.2757861850.

The spelling of 672856471 in words is "six hundred seventy-two million, eight hundred fifty-six thousand, four hundred seventy-one".