72199367 has 2 divisors, whose sum is σ = 72199368. Its totient is φ = 72199366.

The previous prime is 72199343. The next prime is 72199399. The reversal of 72199367 is 76399127.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72199367 - 2¹² = 72195271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72199307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36099683 + 36099684.

It is an arithmetic number, because the mean of its divisors is an integer number (36099684).

Almost surely, 2^72199367 is an apocalyptic number.

72199367 is a deficient number, since it is larger than the sum of its proper divisors (1).

72199367 is an equidigital number, since it uses as much as digits as its factorization.

72199367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 44.

The square root of 72199367 is about 8497.0210662326. The cubic root of 72199367 is about 416.4003922891.

The spelling of 72199367 in words is "seventy-two million, one hundred ninety-nine thousand, three hundred sixty-seven".