72140053 has 2 divisors, whose sum is σ = 72140054. Its totient is φ = 72140052.

The previous prime is 72140009. The next prime is 72140077. The reversal of 72140053 is 35004127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62758084 + 9381969 = 7922^2 + 3063^2 .

It is an emirp because it is prime and its reverse (35004127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72140053 - 2¹³ = 72131861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72140083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36070026 + 36070027.

It is an arithmetic number, because the mean of its divisors is an integer number (36070027).

Almost surely, 2^72140053 is an apocalyptic number.

It is an amenable number.

72140053 is a deficient number, since it is larger than the sum of its proper divisors (1).

72140053 is an equidigital number, since it uses as much as digits as its factorization.

72140053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 72140053 is about 8493.5300670569. The cubic root of 72140053 is about 416.2863324736.

The spelling of 72140053 in words is "seventy-two million, one hundred forty thousand, fifty-three".