672444741 has 8 divisors (see below), whose sum is σ = 949333824. Its totient is φ = 421926080.

The previous prime is 672444737. The next prime is 672444791. The reversal of 672444741 is 147444276.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 672444741 - 2² = 672444737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672444741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672444701) 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 7 ways as a sum of consecutive naturals, for example, 6592545 + ... + 6592646.

It is an arithmetic number, because the mean of its divisors is an integer number (118666728).

Almost surely, 2^672444741 is an apocalyptic number.

It is an amenable number.

672444741 is a deficient number, since it is larger than the sum of its proper divisors (276889083).

672444741 is a wasteful number, since it uses less digits than its factorization.

672444741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13185211.

The product of its digits is 150528, while the sum is 39.

The square root of 672444741 is about 25931.5395030839. The cubic root of 672444741 is about 876.0970147032.

The spelling of 672444741 in words is "six hundred seventy-two million, four hundred forty-four thousand, seven hundred forty-one".