72341453 has 2 divisors, whose sum is σ = 72341454. Its totient is φ = 72341452.

The previous prime is 72341429. The next prime is 72341461. The reversal of 72341453 is 35414327.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66945124 + 5396329 = 8182^2 + 2323^2 .

It is a cyclic number.

It is not a de Polignac number, because 72341453 - 2¹² = 72337357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72311453) 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, 36170726 + 36170727.

It is an arithmetic number, because the mean of its divisors is an integer number (36170727).

Almost surely, 2^72341453 is an apocalyptic number.

It is an amenable number.

72341453 is a deficient number, since it is larger than the sum of its proper divisors (1).

72341453 is an equidigital number, since it uses as much as digits as its factorization.

72341453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 72341453 is about 8505.3778869607. The cubic root of 72341453 is about 416.6733674300.

The spelling of 72341453 in words is "seventy-two million, three hundred forty-one thousand, four hundred fifty-three".