672742111 has 8 divisors (see below), whose sum is σ = 711880704. Its totient is φ = 634427640.

The previous prime is 672742097. The next prime is 672742123. The reversal of 672742111 is 111247276.

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 672742111 - 2⁷ = 672741983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672742151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204351 + ... + 207616.

It is an arithmetic number, because the mean of its divisors is an integer number (88985088).

Almost surely, 2^672742111 is an apocalyptic number.

672742111 is a deficient number, since it is larger than the sum of its proper divisors (39138593).

672742111 is a wasteful number, since it uses less digits than its factorization.

672742111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412061.

The product of its digits is 4704, while the sum is 31.

The square root of 672742111 is about 25937.2726206901. The cubic root of 672742111 is about 876.2261388575.

Adding to 672742111 its reverse (111247276), we get a palindrome (783989387).

The spelling of 672742111 in words is "six hundred seventy-two million, seven hundred forty-two thousand, one hundred eleven".