36612769 has 2 divisors, whose sum is σ = 36612770. Its totient is φ = 36612768.

The previous prime is 36612743. The next prime is 36612799. The reversal of 36612769 is 96721663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21049744 + 15563025 = 4588^2 + 3945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36612769 is a prime.

It is a super-2 number, since 2×36612769² = 2680989707694722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36612799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18306384 + 18306385.

It is an arithmetic number, because the mean of its divisors is an integer number (18306385).

Almost surely, 2^36612769 is an apocalyptic number.

It is an amenable number.

36612769 is a deficient number, since it is larger than the sum of its proper divisors (1).

36612769 is an equidigital number, since it uses as much as digits as its factorization.

36612769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 36612769 is about 6050.8486181692. The cubic root of 36612769 is about 332.0556379634.

The spelling of 36612769 in words is "thirty-six million, six hundred twelve thousand, seven hundred sixty-nine".