726762371 has 2 divisors, whose sum is σ = 726762372. Its totient is φ = 726762370.

The previous prime is 726762343. The next prime is 726762389. The reversal of 726762371 is 173267627.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726762371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (726762391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363381185 + 363381186.

It is an arithmetic number, because the mean of its divisors is an integer number (363381186).

Almost surely, 2^726762371 is an apocalyptic number.

726762371 is a deficient number, since it is larger than the sum of its proper divisors (1).

726762371 is an equidigital number, since it uses as much as digits as its factorization.

726762371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 41.

The square root of 726762371 is about 26958.5305793917. The cubic root of 726762371 is about 899.0782212584.

The spelling of 726762371 in words is "seven hundred twenty-six million, seven hundred sixty-two thousand, three hundred seventy-one".