672696198 has 32 divisors (see below), whose sum is σ = 1497801600. Its totient is φ = 223793928.

The previous prime is 672696191. The next prime is 672696247. The reversal of 672696198 is 891696276.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672696191) 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 15 ways as a sum of consecutive naturals, for example, 16333 + ... + 40151.

It is an arithmetic number, because the mean of its divisors is an integer number (46806300).

Almost surely, 2^672696198 is an apocalyptic number.

672696198 is an abundant number, since it is smaller than the sum of its proper divisors (825105402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672696198 is a wasteful number, since it uses less digits than its factorization.

672696198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24353 (or 24347 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 672696198 is about 25936.3875279500. The cubic root of 672696198 is about 876.2062049753.

The spelling of 672696198 in words is "six hundred seventy-two million, six hundred ninety-six thousand, one hundred ninety-eight".