72479111 has 2 divisors, whose sum is σ = 72479112. Its totient is φ = 72479110.

The previous prime is 72479101. The next prime is 72479131. The reversal of 72479111 is 11197427.

It is a weak prime.

It is an emirp because it is prime and its reverse (11197427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72479111 - 2⁶ = 72479047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72479101) 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, 36239555 + 36239556.

It is an arithmetic number, because the mean of its divisors is an integer number (36239556).

Almost surely, 2^72479111 is an apocalyptic number.

72479111 is a deficient number, since it is larger than the sum of its proper divisors (1).

72479111 is an equidigital number, since it uses as much as digits as its factorization.

72479111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 32.

The square root of 72479111 is about 8513.4664502775. The cubic root of 72479111 is about 416.9374948247.

The spelling of 72479111 in words is "seventy-two million, four hundred seventy-nine thousand, one hundred eleven".