726262037 has 2 divisors, whose sum is σ = 726262038. Its totient is φ = 726262036.

The previous prime is 726261971. The next prime is 726262057. The reversal of 726262037 is 730262627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616975921 + 109286116 = 24839^2 + 10454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726262037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 726261988 and 726262006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726262057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363131018 + 363131019.

It is an arithmetic number, because the mean of its divisors is an integer number (363131019).

Almost surely, 2^726262037 is an apocalyptic number.

It is an amenable number.

726262037 is a deficient number, since it is larger than the sum of its proper divisors (1).

726262037 is an equidigital number, since it uses as much as digits as its factorization.

726262037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 726262037 is about 26949.2492845348. The cubic root of 726262037 is about 898.8718527168.

The spelling of 726262037 in words is "seven hundred twenty-six million, two hundred sixty-two thousand, thirty-seven".