72301499 has 2 divisors, whose sum is σ = 72301500. Its totient is φ = 72301498.

The previous prime is 72301477. The next prime is 72301507. The reversal of 72301499 is 99410327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72301499 - 2¹⁶ = 72235963 is a prime.

It is not a weakly prime, because it can be changed into another prime (72301429) 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, 36150749 + 36150750.

It is an arithmetic number, because the mean of its divisors is an integer number (36150750).

Almost surely, 2^72301499 is an apocalyptic number.

72301499 is a deficient number, since it is larger than the sum of its proper divisors (1).

72301499 is an equidigital number, since it uses as much as digits as its factorization.

72301499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 72301499 is about 8503.0288133112. The cubic root of 72301499 is about 416.5966440909.

The spelling of 72301499 in words is "seventy-two million, three hundred one thousand, four hundred ninety-nine".