672753241 has 4 divisors (see below), whose sum is σ = 673771684. Its totient is φ = 671734800.

The previous prime is 672753229. The next prime is 672753247. The reversal of 672753241 is 142357276.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 436977216 + 235776025 = 20904^2 + 15355^2 .

It is a cyclic number.

It is not a de Polignac number, because 672753241 - 2⁷ = 672753113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672753241.

It is not an unprimeable number, because it can be changed into a prime (672753247) 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, 508230 + ... + 509551.

It is an arithmetic number, because the mean of its divisors is an integer number (168442921).

Almost surely, 2^672753241 is an apocalyptic number.

It is an amenable number.

672753241 is a deficient number, since it is larger than the sum of its proper divisors (1018443).

672753241 is a wasteful number, since it uses less digits than its factorization.

672753241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018442.

The product of its digits is 70560, while the sum is 37.

The square root of 672753241 is about 25937.4871759004. The cubic root of 672753241 is about 876.2309709930.

The spelling of 672753241 in words is "six hundred seventy-two million, seven hundred fifty-three thousand, two hundred forty-one".