36787973 has 2 divisors, whose sum is σ = 36787974. Its totient is φ = 36787972.

The previous prime is 36787967. The next prime is 36787987. The reversal of 36787973 is 37978763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25180324 + 11607649 = 5018^2 + 3407^2 .

It is an emirp because it is prime and its reverse (37978763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36787973 - 2⁴ = 36787957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36787903) 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, 18393986 + 18393987.

It is an arithmetic number, because the mean of its divisors is an integer number (18393987).

Almost surely, 2^36787973 is an apocalyptic number.

It is an amenable number.

36787973 is a deficient number, since it is larger than the sum of its proper divisors (1).

36787973 is an equidigital number, since it uses as much as digits as its factorization.

36787973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 50.

The square root of 36787973 is about 6065.3089781148. The cubic root of 36787973 is about 332.5844600486.

The spelling of 36787973 in words is "thirty-six million, seven hundred eighty-seven thousand, nine hundred seventy-three".