671853675 has 54 divisors (see below), whose sum is σ = 1154361756. Its totient is φ = 344793600.

The previous prime is 671853577. The next prime is 671853691. The reversal of 671853675 is 576358176.

It is not a de Polignac number, because 671853675 - 2¹⁰ = 671852651 is a prime.

It is a super-2 number, since 2×671853675² = 902774721222011250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 9203439 + ... + 9203511.

Almost surely, 2^671853675 is an apocalyptic number.

671853675 is a deficient number, since it is larger than the sum of its proper divisors (482508081).

671853675 is an equidigital number, since it uses as much as digits as its factorization.

671853675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 122 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The square root of 671853675 is about 25920.1403352682. The cubic root of 671853675 is about 875.8402486466.

Multiplying 671853675 by its sum of digits (48), we get a square (32248976400 = 179580²).

The spelling of 671853675 in words is "six hundred seventy-one million, eight hundred fifty-three thousand, six hundred seventy-five".