720630037 has 2 divisors, whose sum is σ = 720630038. Its totient is φ = 720630036.

The previous prime is 720630013. The next prime is 720630059. The reversal of 720630037 is 730036027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 720331921 + 298116 = 26839^2 + 546^2 .

It is a cyclic number.

It is not a de Polignac number, because 720630037 - 2⁷ = 720629909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 720629987 and 720630014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720630737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360315018 + 360315019.

It is an arithmetic number, because the mean of its divisors is an integer number (360315019).

Almost surely, 2^720630037 is an apocalyptic number.

It is an amenable number.

720630037 is a deficient number, since it is larger than the sum of its proper divisors (1).

720630037 is an equidigital number, since it uses as much as digits as its factorization.

720630037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 720630037 is about 26844.5532091708. The cubic root of 720630037 is about 896.5423037232.

The spelling of 720630037 in words is "seven hundred twenty million, six hundred thirty thousand, thirty-seven".