672832666 has 8 divisors (see below), whose sum is σ = 1100998944. Its totient is φ = 305833020.

The previous prime is 672832663. The next prime is 672832669. The reversal of 672832666 is 666238276.

It is an interprime number because it is at equal distance from previous prime (672832663) and next prime (672832669).

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

It is not an unprimeable number, because it can be changed into a prime (672832661) 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, 15291630 + ... + 15291673.

It is an arithmetic number, because the mean of its divisors is an integer number (137624868).

Almost surely, 2^672832666 is an apocalyptic number.

672832666 is a deficient number, since it is larger than the sum of its proper divisors (428166278).

672832666 is a wasteful number, since it uses less digits than its factorization.

672832666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30583316.

The product of its digits is 870912, while the sum is 46.

The square root of 672832666 is about 25939.0182158076. The cubic root of 672832666 is about 876.2654521381.

It can be divided in two parts, 672 and 832666, that added together give a palindrome (833338).

The spelling of 672832666 in words is "six hundred seventy-two million, eight hundred thirty-two thousand, six hundred sixty-six".