72140203 has 2 divisors, whose sum is σ = 72140204. Its totient is φ = 72140202.

The previous prime is 72140183. The next prime is 72140221. The reversal of 72140203 is 30204127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72140203 - 2⁵ = 72140171 is a prime.

It is not a weakly prime, because it can be changed into another prime (72144203) 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, 36070101 + 36070102.

It is an arithmetic number, because the mean of its divisors is an integer number (36070102).

Almost surely, 2^72140203 is an apocalyptic number.

72140203 is a deficient number, since it is larger than the sum of its proper divisors (1).

72140203 is an equidigital number, since it uses as much as digits as its factorization.

72140203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 72140203 is about 8493.5388973031. The cubic root of 72140203 is about 416.2866209999.

The spelling of 72140203 in words is "seventy-two million, one hundred forty thousand, two hundred three".