672817446 has 48 divisors (see below), whose sum is σ = 1667466528. Its totient is φ = 192067200.

The previous prime is 672817399. The next prime is 672817447. The reversal of 672817446 is 644718276.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672817447) 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 23 ways as a sum of consecutive naturals, for example, 286236 + ... + 288576.

It is an arithmetic number, because the mean of its divisors is an integer number (34738886).

Almost surely, 2^672817446 is an apocalyptic number.

672817446 is an abundant number, since it is smaller than the sum of its proper divisors (994649082).

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

672817446 is a wasteful number, since it uses less digits than its factorization.

672817446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637 (or 4634 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 672817446 is about 25938.7248337307. The cubic root of 672817446 is about 876.2588448188.

The spelling of 672817446 in words is "six hundred seventy-two million, eight hundred seventeen thousand, four hundred forty-six".