72199151 has 2 divisors, whose sum is σ = 72199152. Its totient is φ = 72199150.

The previous prime is 72199129. The next prime is 72199163. The reversal of 72199151 is 15199127.

It is a strong prime.

It is an emirp because it is prime and its reverse (15199127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72199151 - 2⁶ = 72199087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72196151) 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, 36099575 + 36099576.

It is an arithmetic number, because the mean of its divisors is an integer number (36099576).

Almost surely, 2^72199151 is an apocalyptic number.

72199151 is a deficient number, since it is larger than the sum of its proper divisors (1).

72199151 is an equidigital number, since it uses as much as digits as its factorization.

72199151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 35.

The square root of 72199151 is about 8497.0083558862. The cubic root of 72199151 is about 416.3999770381.

The spelling of 72199151 in words is "seventy-two million, one hundred ninety-nine thousand, one hundred fifty-one".