720118741 has 2 divisors, whose sum is σ = 720118742. Its totient is φ = 720118740.

The previous prime is 720118681. The next prime is 720118757. The reversal of 720118741 is 147811027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 694322500 + 25796241 = 26350^2 + 5079^2 .

It is a cyclic number.

It is not a de Polignac number, because 720118741 - 2¹¹ = 720116693 is a prime.

It is a super-2 number, since 2×720118741² = 1037142002278850162, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720118771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360059370 + 360059371.

It is an arithmetic number, because the mean of its divisors is an integer number (360059371).

Almost surely, 2^720118741 is an apocalyptic number.

It is an amenable number.

720118741 is a deficient number, since it is larger than the sum of its proper divisors (1).

720118741 is an equidigital number, since it uses as much as digits as its factorization.

720118741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 720118741 is about 26835.0282466779. The cubic root of 720118741 is about 896.3302175736.

Adding to 720118741 its reverse (147811027), we get a palindrome (867929768).

The spelling of 720118741 in words is "seven hundred twenty million, one hundred eighteen thousand, seven hundred forty-one".