72435719 has 2 divisors, whose sum is σ = 72435720. Its totient is φ = 72435718.

The previous prime is 72435697. The next prime is 72435743. The reversal of 72435719 is 91753427.

It is a weak prime.

It is an emirp because it is prime and its reverse (91753427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72435719 - 2²⁰ = 71387143 is a prime.

It is a super-2 number, since 2×72435719² = 10493866774093922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72438719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36217859 + 36217860.

It is an arithmetic number, because the mean of its divisors is an integer number (36217860).

Almost surely, 2^72435719 is an apocalyptic number.

72435719 is a deficient number, since it is larger than the sum of its proper divisors (1).

72435719 is an equidigital number, since it uses as much as digits as its factorization.

72435719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 72435719 is about 8510.9176356019. The cubic root of 72435719 is about 416.8542737737.

The spelling of 72435719 in words is "seventy-two million, four hundred thirty-five thousand, seven hundred nineteen".