672618508 has 12 divisors (see below), whose sum is σ = 1187882080. Its totient is φ = 333223632.

The previous prime is 672618503. The next prime is 672618511. The reversal of 672618508 is 805816276.

It is not an unprimeable number, because it can be changed into a prime (672618503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770916 + ... + 771787.

Almost surely, 2^672618508 is an apocalyptic number.

It is an amenable number.

672618508 is a deficient number, since it is larger than the sum of its proper divisors (515263572).

672618508 is a wasteful number, since it uses less digits than its factorization.

672618508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542816 (or 1542814 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 672618508 is about 25934.8897819135. The cubic root of 672618508 is about 876.1724725212.

The spelling of 672618508 in words is "six hundred seventy-two million, six hundred eighteen thousand, five hundred eight".