726724153 has 2 divisors, whose sum is σ = 726724154. Its totient is φ = 726724152.

The previous prime is 726724151. The next prime is 726724183. The reversal of 726724153 is 351427627.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633176569 + 93547584 = 25163^2 + 9672^2 .

It is a cyclic number.

It is not a de Polignac number, because 726724153 - 2¹ = 726724151 is a prime.

Together with 726724151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (726724151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363362076 + 363362077.

It is an arithmetic number, because the mean of its divisors is an integer number (363362077).

Almost surely, 2^726724153 is an apocalyptic number.

It is an amenable number.

726724153 is a deficient number, since it is larger than the sum of its proper divisors (1).

726724153 is an equidigital number, since it uses as much as digits as its factorization.

726724153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The square root of 726724153 is about 26957.8217406377. The cubic root of 726724153 is about 899.0624611442.

The spelling of 726724153 in words is "seven hundred twenty-six million, seven hundred twenty-four thousand, one hundred fifty-three".