72110789 has 2 divisors, whose sum is σ = 72110790. Its totient is φ = 72110788.

The previous prime is 72110777. The next prime is 72110807. The reversal of 72110789 is 98701127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57988225 + 14122564 = 7615^2 + 3758^2 .

It is a cyclic number.

It is not a de Polignac number, because 72110789 - 2¹² = 72106693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72115789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36055394 + 36055395.

It is an arithmetic number, because the mean of its divisors is an integer number (36055395).

Almost surely, 2^72110789 is an apocalyptic number.

It is an amenable number.

72110789 is a deficient number, since it is larger than the sum of its proper divisors (1).

72110789 is an equidigital number, since it uses as much as digits as its factorization.

72110789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 72110789 is about 8491.8071692662. The cubic root of 72110789 is about 416.2300352648.

The spelling of 72110789 in words is "seventy-two million, one hundred ten thousand, seven hundred eighty-nine".