671953276 has 12 divisors (see below), whose sum is σ = 1177624840. Its totient is φ = 335489040.

The previous prime is 671953267. The next prime is 671953277. The reversal of 671953276 is 672359176.

It is a super-3 number, since 3×671953276³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671953277) 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 3 ways as a sum of consecutive naturals, for example, 118791 + ... + 124318.

Almost surely, 2^671953276 is an apocalyptic number.

It is an amenable number.

671953276 is a deficient number, since it is larger than the sum of its proper divisors (505671564).

671953276 is a wasteful number, since it uses less digits than its factorization.

671953276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243804 (or 243802 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 671953276 is about 25922.0615692502. The cubic root of 671953276 is about 875.8835270455.

It can be divided in two parts, 6719 and 53276, that added together give a palindrome (59995).

The spelling of 671953276 in words is "six hundred seventy-one million, nine hundred fifty-three thousand, two hundred seventy-six".