672440941 has 2 divisors, whose sum is σ = 672440942. Its totient is φ = 672440940.

The previous prime is 672440939. The next prime is 672440953. The reversal of 672440941 is 149044276.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378146916 + 294294025 = 19446^2 + 17155^2 .

It is a cyclic number.

It is not a de Polignac number, because 672440941 - 2¹ = 672440939 is a prime.

Together with 672440939, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 672440941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672440911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336220470 + 336220471.

It is an arithmetic number, because the mean of its divisors is an integer number (336220471).

Almost surely, 2^672440941 is an apocalyptic number.

It is an amenable number.

672440941 is a deficient number, since it is larger than the sum of its proper divisors (1).

672440941 is an equidigital number, since it uses as much as digits as its factorization.

672440941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 672440941 is about 25931.4662331307. The cubic root of 672440941 is about 876.0953644190.

The spelling of 672440941 in words is "six hundred seventy-two million, four hundred forty thousand, nine hundred forty-one".