72093097 has 2 divisors, whose sum is σ = 72093098. Its totient is φ = 72093096.

The previous prime is 72093089. The next prime is 72093137. The reversal of 72093097 is 79039027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48385936 + 23707161 = 6956^2 + 4869^2 .

It is an emirp because it is prime and its reverse (79039027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72093097 - 2³ = 72093089 is a prime.

It is not a weakly prime, because it can be changed into another prime (72093397) 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, 36046548 + 36046549.

It is an arithmetic number, because the mean of its divisors is an integer number (36046549).

Almost surely, 2^72093097 is an apocalyptic number.

It is an amenable number.

72093097 is a deficient number, since it is larger than the sum of its proper divisors (1).

72093097 is an equidigital number, since it uses as much as digits as its factorization.

72093097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 72093097 is about 8490.7653954164. The cubic root of 72093097 is about 416.1959925360.

The spelling of 72093097 in words is "seventy-two million, ninety-three thousand, ninety-seven".