36768493 has 2 divisors, whose sum is σ = 36768494. Its totient is φ = 36768492.

The previous prime is 36768451. The next prime is 36768497. The reversal of 36768493 is 39486763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30327049 + 6441444 = 5507^2 + 2538^2 .

It is an emirp because it is prime and its reverse (39486763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36768493 - 2¹³ = 36760301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36768497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18384246 + 18384247.

It is an arithmetic number, because the mean of its divisors is an integer number (18384247).

Almost surely, 2^36768493 is an apocalyptic number.

It is an amenable number.

36768493 is a deficient number, since it is larger than the sum of its proper divisors (1).

36768493 is an equidigital number, since it uses as much as digits as its factorization.

36768493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 46.

The square root of 36768493 is about 6063.7029115879. The cubic root of 36768493 is about 332.5257462115.

The spelling of 36768493 in words is "thirty-six million, seven hundred sixty-eight thousand, four hundred ninety-three".