36390749 has 2 divisors, whose sum is σ = 36390750. Its totient is φ = 36390748.

The previous prime is 36390713. The next prime is 36390751. The reversal of 36390749 is 94709363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26265625 + 10125124 = 5125^2 + 3182^2 .

It is a cyclic number.

It is not a de Polignac number, because 36390749 - 2¹⁶ = 36325213 is a prime.

It is a super-2 number, since 2×36390749² = 2648573225562002, which contains 22 as substring.

Together with 36390751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36390779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18195374 + 18195375.

It is an arithmetic number, because the mean of its divisors is an integer number (18195375).

Almost surely, 2^36390749 is an apocalyptic number.

It is an amenable number.

36390749 is a deficient number, since it is larger than the sum of its proper divisors (1).

36390749 is an equidigital number, since it uses as much as digits as its factorization.

36390749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 36390749 is about 6032.4745337216. The cubic root of 36390749 is about 331.3830810233.

The spelling of 36390749 in words is "thirty-six million, three hundred ninety thousand, seven hundred forty-nine".