726384751 has 2 divisors, whose sum is σ = 726384752. Its totient is φ = 726384750.

The previous prime is 726384733. The next prime is 726384761. The reversal of 726384751 is 157483627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 726384751 - 2⁷ = 726384623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726384698 and 726384707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726384731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363192375 + 363192376.

It is an arithmetic number, because the mean of its divisors is an integer number (363192376).

Almost surely, 2^726384751 is an apocalyptic number.

726384751 is a deficient number, since it is larger than the sum of its proper divisors (1).

726384751 is an equidigital number, since it uses as much as digits as its factorization.

726384751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 726384751 is about 26951.5259493781. The cubic root of 726384751 is about 898.9224762948.

The spelling of 726384751 in words is "seven hundred twenty-six million, three hundred eighty-four thousand, seven hundred fifty-one".