73207493 has 2 divisors, whose sum is σ = 73207494. Its totient is φ = 73207492.

The previous prime is 73207489. The next prime is 73207501. The reversal of 73207493 is 39470237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49801249 + 23406244 = 7057^2 + 4838^2 .

It is a cyclic number.

It is not a de Polignac number, because 73207493 - 2² = 73207489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73207093) 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, 36603746 + 36603747.

It is an arithmetic number, because the mean of its divisors is an integer number (36603747).

Almost surely, 2^73207493 is an apocalyptic number.

It is an amenable number.

73207493 is a deficient number, since it is larger than the sum of its proper divisors (1).

73207493 is an equidigital number, since it uses as much as digits as its factorization.

73207493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 73207493 is about 8556.1377384893. The cubic root of 73207493 is about 418.3295193203.

The spelling of 73207493 in words is "seventy-three million, two hundred seven thousand, four hundred ninety-three".